"Package included: 1. 2L Water Bladder This hydration backpack is a lightweight water pack backpack designed for comfort, which comes with a 2L hydration bladder that is leak-proof and easy to clean. It features fun designs and colors to stand out at events and has fully adjustable shoulder/chest straps that fit all sizes. The backpack is made with high-quality construction, including a cushioned, breathable mesh back panel with quick drain drip hole, and stay-put thumb adjustment loops for shoulder straps. The 2023 model has been upgraded to prevent all leaks with a custom mouthpiece Comfortable and Lightweight: The water backpack is designed for comfort with fully adjustable shoulder/chest straps and no bounce. It is ultra-light, streamlined, and fits all sizes comfortably 2L Hydration Bladder Included: The hydration backpack comes with a PVC & BPA free 2L hydration bladder that is leak proof and easily removable via the main pocket. The oversized 2-inch wide screw cap allows for ice and easy cleaning Fun Designs & Colors: The hydration pack features bright colors, unique styles, and patterns that make it stand out at music festivals, raves, and other events like hiking, cycling, running Perfect Fit: The hydration backpack is built for men, women with comfort-stitched straps and high-density notched foam stabilizers. It also has a breathable lightweight mesh for added comfort High-Quality Construction & Design: The water bladder backpack is constructed with cushioned, breathable mesh and quick drain drip hole Date First Available: July 5, 2023 Included Components: 2L Water Bladder Size: 2L Bladder ASIN: B0CB5X6KMV Material Type: Polyurethane (PU) Sport: Cycling Department: unisex-adult Number Of Pockets: 2 Capacity: 2 Liters Manufacturer: Zavothy Style: Brown Item Type Name: hydration backpack Warranty Description: If you have any questions about your order, please reach out through the Amazon messaging system and we'll be glad to assist you. Your satisfaction is our priority Sport Type: Cycling Model Name: 23PRPQ08-BR-Single Strap Type: shoulder Package Dimensions: 15.86 x 9.57 x 2.8 inches; 1.37 Pounds Item Package Dimensions L x W x H: 15.86 x 9.57 x 2.8 inches Color: Brown Material: Polyurethane (PU) Tank Volume: 2 Liters Brand: Zavothy Brand Name: Zavothy Suggested Users: unisex-adult Package Weight: 0.58 Kilograms Item Weight: 0.62 Kilograms"