diff --git a/assets/example/example.json b/assets/example/example.json
index e5e310a..ff0691b 100644
--- a/assets/example/example.json
+++ b/assets/example/example.json
@@ -3,60 +3,70 @@
     "id": 75086086956949000,
     "name": "Wasser",
     "price": "0.5",
+    "deposit": null,
     "image": "./assets/example/images/wasser.webp"
   },
   {
     "id": 403980494034923100,
     "name": "Cola",
     "price": "1",
+    "deposit": "0.25",
     "image": "./assets/example/images/cola.webp"
   },
   {
     "id": 174111295271372860,
     "name": "Fanta",
     "price": "1",
+    "deposit": "0.25",
     "image": "./assets/example/images/fanta.webp"
   },
   {
     "id": 13086165444583086,
     "name": "Bier",
     "price": "1.5",
+    "deposit": "0.07",
     "image": "./assets/example/images/bier.webp"
   },
   {
     "id": 227920082494117630,
     "name": "Helles Bier",
     "price": "1.2",
+    "deposit": null,
     "image": "./assets/example/images/bier_helles.webp"
   },
   {
     "id": 27617349687000040,
     "name": "Apfelsaft",
     "price": "1.2",
+    "deposit": null,
     "image": "./assets/example/images/apfelsaft.webp"
   },
   {
     "id": 191783545996520450,
     "name": "Eistee",
     "price": "1.5",
+    "deposit": null,
     "image": "./assets/example/images/eistee.webp"
   },
   {
     "id": 203321763516746460,
     "name": "Cider",
     "price": "1.8",
+    "deposit": null,
     "image": "./assets/example/images/cider.webp"
   },
   {
     "id": 615216202376277900,
     "name": "Zitronenlimonade",
     "price": "1",
+    "deposit": null,
     "image": "./assets/example/images/limonade.webp"
   },
   {
     "id": 363150314621734500,
     "name": "Wodka Lemon",
     "price": "3",
+    "deposit": null,
     "image": "./assets/example/images/wodka_lemon.webp"
   }
 ]
\ No newline at end of file
diff --git a/assets/example/example_urls.json b/assets/example/example_urls.json
index 2ab1913..7600de6 100644
--- a/assets/example/example_urls.json
+++ b/assets/example/example_urls.json
@@ -3,60 +3,70 @@
     "id": 75086086956949000,
     "name": "Wasser",
     "price": "0.5",
+    "deposit": null,
     "image": "https://placehold.co/250x250?text=1"
   },
   {
     "id": 403980494034923100,
     "name": "Cola",
     "price": "1",
+    "deposit": "0.25",
     "image": "https://placehold.co/250x250?text=2"
   },
   {
     "id": 174111295271372860,
     "name": "Fanta",
     "price": "1",
+    "deposit": "0.25",
     "image": "https://placehold.co/250x250?text=3"
   },
   {
     "id": 13086165444583086,
     "name": "Bier",
     "price": "1.5",
+    "deposit": "0.07",
     "image": "https://placehold.co/250x250?text=4"
   },
   {
     "id": 227920082494117630,
     "name": "Helles Bier",
     "price": "1.2",
+    "deposit": null,
     "image": "https://placehold.co/250x250?text=5"
   },
   {
     "id": 27617349687000040,
     "name": "Apfelsaft",
     "price": "1.2",
+    "deposit": null,
     "image": "https://placehold.co/250x250?text=6"
   },
   {
     "id": 191783545996520450,
     "name": "Eistee",
     "price": "1.5",
+    "deposit": null,
     "image": "https://placehold.co/250x250?text=7"
   },
   {
     "id": 203321763516746460,
     "name": "Cider",
     "price": "1.8",
+    "deposit": null,
     "image": "https://placehold.co/250x250?text=8"
   },
   {
     "id": 615216202376277900,
     "name": "Zitronenlimonade",
     "price": "1",
+    "deposit": null,
     "image": "https://placehold.co/250x250?text=9"
   },
   {
     "id": 363150314621734500,
     "name": "Wodka Lemon",
     "price": "3",
+    "deposit": null,
     "image": "https://placehold.co/250x250?text=10"
   }
 ]
\ No newline at end of file
diff --git a/assets/script/all.js b/assets/script/all.js
index bf3fa7d..7028828 100644
--- a/assets/script/all.js
+++ b/assets/script/all.js
@@ -77,15 +77,34 @@ class Element {
         return document.querySelector('.navbar-brand');
     }
 
+    /**
+     * Get the buttons for importing test data
+     * @returns {Element}
+     */
     static getButtonsImportTestdata() {
         return document.querySelectorAll('[data-action=import-testdata]');
     }
+
+    /**
+     * Get the buttons for showing the test data
+     * @returns {Element}
+     */
     static getButtonShowTestdata() {
         return document.querySelectorAll('[data-action=import-show-testdata]');
     }
+
+    /**
+     * Get the button for clearing the test data
+     * @returns {Element}
+     */
     static getButtonClearTestdata() {
         return document.querySelectorAll('[data-action=import-clear]');
     }
+
+    /**
+     * Get the button for accessing the GitHub repository
+     * @returns {Element}
+     */
     static getGitHubReferenceLink() {
         return document.querySelector('[data-github-ref]');
     }
@@ -122,6 +141,15 @@ class TemplateElement {
         return this.removeTemplate(element);
     }
 
+    /**
+     * Get the deposit element template
+     * @returns {HTMLElement}
+     */
+    static getDepositTemplate() {
+        const element = document.querySelector('[data-template=product-deposit]').cloneNode(true);
+        return this.removeTemplate(element);
+    }
+
     /**
      * Remove the template attribute from the element
      * @param element {HTMLElement}
@@ -143,11 +171,12 @@ class Product {
      * @param price {number} Price of the product
      * @param image {string} Image of the product (source url or base64)
      */
-    constructor(name, price, image) {
+    constructor(name, price, deposit, image) {
         this.id = Product.generateId();
         this.name = name;
         this.price = price;
         this.image = image;
+        this.deposit = deposit;
     }
 
     /**
@@ -324,7 +353,7 @@ class ProductManager {
      * @returns {Promise<void>}
      */
     async convertAndSaveProductImages(json) {
-        const products = json.map(e => new Product(e.name, e.price, e.image));
+        const products = json.map(e => new Product(e.name, e.price, e.deposit, e.image));
         for (const product of products) {
             if (!product.image.toString().startsWith('data:image/')) {
                 product.image = await Base64Image.imageResize(await Base64Image.fromImageUrl(product.image))
@@ -349,7 +378,7 @@ class ProductManager {
         try {
             parse = JSON.parse(json);
         } catch (e) {}
-        this.products = parse.map(e => new Product(e.name, e.price, e.image));
+        this.products = parse.map(e => new Product(e.name, e.price, e.deposit, e.image));
         this.renderProductList();
     }
 
@@ -362,6 +391,7 @@ class ProductManager {
 
             const name = document.querySelector('#product-name').value;
             const price = document.querySelector('#product-price').value;
+            const deposit = document.querySelector('#product-deposit').value;
             const image = document.querySelector('#product-image').files[0];
 
             // Validate price
@@ -374,12 +404,12 @@ class ProductManager {
             if (image) {
                 const imageSrcWithBase64 = Base64Image.fromFile(image);
                 imageSrcWithBase64.then(async imageSrcWithBase64 => {
-                    productManager.addProduct(new Product(name, price, await Base64Image.imageResize(imageSrcWithBase64)));
+                    productManager.addProduct(new Product(name, price, deposit, await Base64Image.imageResize(imageSrcWithBase64)));
                     ProductManager.resetProductSettingsForm();
                 });
             } else {
-                let image1 = await Base64Image.imageResize(await Base64Image.fromImageUrl(`https://placehold.co/250x250?text=${name}`));
-                productManager.addProduct(new Product(name, price, image1));
+                let imageDemoBase64 = await Base64Image.imageResize(await Base64Image.fromImageUrl(`https://placehold.co/250x250?text=${name}`));
+                productManager.addProduct(new Product(name, price, deposit, imageDemoBase64));
                 ProductManager.resetProductSettingsForm();
             }
         });
@@ -450,7 +480,7 @@ class CartManager {
     registerCartResetEvent() {
         Element.getCartButton().addEventListener('click', () => {
             CartHistoryManager.addToTotal(this.cartLines.reduce((acc, cartLine) => {
-                return acc + (cartLine.product.price * cartLine.quantity);
+                return acc + (cartLine.product.price * cartLine.quantity) + (cartLine.product.deposit * cartLine.quantity);
             }, 0));
             this.cartLines = [];
             this.renderCart();
@@ -491,10 +521,12 @@ class CartManager {
      */
     renderCart() {
         // Clear the cart element before rendering except the template
-        Element.getCartElement().querySelectorAll('[data-id]').forEach(e => {
+        Element.getCartElement().querySelectorAll('[data-id], .product-deposit').forEach(e => {
             if (e.getAttribute('data-template') === null) {
                 e.remove();
             }
+
+            console.log(e)
         });
 
         if(this.cartLines.length === 0) {
@@ -509,6 +541,16 @@ class CartManager {
             const cartLineElement = this.getCartLineElement(cartLine);
             Element.getCartElement().appendChild(cartLineElement);
         });
+
+        let depositTotal = 0;
+        this.cartLines.forEach(cartLine => {
+            depositTotal += cartLine.product.deposit * cartLine.quantity;
+        });
+        if(depositTotal !== 0) {
+            let depositElement = TemplateElement.getDepositTemplate();
+            depositElement.querySelector('[data-attr=deposit]').textContent = CartManager.getNumberFormatter().format(depositTotal);
+            Element.getCartElement().appendChild(depositElement);
+        }
     }
 
     /**
@@ -533,7 +575,7 @@ class CartManager {
      */
     calculateCartValue() {
         let cartValue = this.cartLines.reduce((acc, cartLine) => {
-            return acc + (cartLine.product.price * cartLine.quantity);
+            return acc + (cartLine.product.price * cartLine.quantity) + (cartLine.product.deposit * cartLine.quantity);
         }, 0);
         Element.getCartButton().querySelector('[data-total-value]').textContent = CartManager.getNumberFormatter().format(cartValue);
     }
diff --git a/assets/script/service-worker.js b/assets/script/service-worker.js
index 485980d..d577b24 100644
--- a/assets/script/service-worker.js
+++ b/assets/script/service-worker.js
@@ -6,9 +6,9 @@ const FILES_TO_CACHE = [
     `${BASE_PATH}/`,
     `${BASE_PATH}/index.html`,
     `${BASE_PATH}/assets/manifest.json`,
+    `${BASE_PATH}/assets/script/all.js`,
     `${BASE_PATH}/assets/script/service-worker.js`,
     `${BASE_PATH}/assets/style/stylesheet.css`,
-    `${BASE_PATH}/assets/script/all.js`,
     `${BASE_PATH}/node_modules/bootstrap/dist/css/bootstrap.min.css`,
     `${BASE_PATH}/node_modules/bootstrap/dist/js/bootstrap.bundle.min.js`,
     `${BASE_PATH}/node_modules/bootstrap-icons/font/bootstrap-icons.min.css`,
diff --git a/assets/style/stylesheet.css b/assets/style/stylesheet.css
index cfd0ffc..79e3f8b 100644
--- a/assets/style/stylesheet.css
+++ b/assets/style/stylesheet.css
@@ -48,6 +48,9 @@
             font-weight: bold;
         }
     }
+    .product-deposit {
+        cursor: default;
+    }
 }
 /**
  * Product list contains all available products,
diff --git a/index.html b/index.html
index 64fe0db..9595fea 100644
--- a/index.html
+++ b/index.html
@@ -45,7 +45,12 @@
                 </span>
                 <i class="bi bi-dash-circle"></i>
             </li>
-            <ul class="list-group cart-items"></ul>
+            <li class="list-group-item product-deposit" data-template="product-deposit">
+                Zzgl. <span data-attr="deposit" class="currency-value">0,00</span> Pfand
+            </li>
+
+            <ul class="list-group cart-items">
+            </ul>
             <div class="alert alert-info cart-empty">Keine Produkte ausgewählt</div>
             <hr>
             <button class="btn btn-secondary btn-lg w-100 cart-value mb-3">
@@ -85,6 +90,13 @@
                             <input type="number" class="form-control" step="0.01" value="" id="product-price" required>
                         </div>
                     </div>
+                    <div class="mb-2">
+                        <label for="product-deposit" class="form-label">Pfand</label>
+                        <div class="input-group">
+                            <span class="input-group-text" id="basic-addon2">€</span>
+                            <input type="number" class="form-control" step="0.01" value="" id="product-deposit" required>
+                        </div>
+                    </div>
                     <div class="mb-2">
                         <label for="product-image" class="form-label">Bild auswählen</label>
                         <input type="file" class="form-control" placeholder="Tolles Produkt" id="product-image">
diff --git a/package.json b/package.json
index 5e5c938..a78dc7f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,9 @@
 {
   "name": "durst-rechner",
   "version": "1.0.0",
-  "scripts": {},
+  "scripts": {
+    "dev": "npx http-server -o ."
+  },
   "keywords": [
     "calculator",
     "feuerwehr",