- Vibrant Festival Choice : Stand out in bright, eye-catching colors. This lightweight and waterproof hydration backpack is designed for those attending festivals, raves, or carnivals, ensuring you look stylish while staying hydrated. - Effective Temperature Control : Keep your drinks cold or hot for up to 4 hours with the thick insulated layer and thermal compartment. The separate inner pouch enhances insulation and provides wet and dry separation, ideal for mixing different beverages. - BPA-Free 2-Liter Hydration Bladder : Comes with a 2L leakproof hydration bladder featuring a soft, high-flow bite valve for effortless drinking. Just pull out the mouthpiece, bite, and push back to seal. The bladder is designed to withstand pressure and avoid leaks, making it perfect for biking, running, hiking, and other outdoor activities. - Comfort and Reliability : The ergonomic design includes a chest strap to accommodate various body types, ensuring a secure fit without bounce or pressure. The soft, breathable mesh back promotes airflow, keeping you cool during intense activities. Additionally, a built-in survival whistle enhances safety on your adventures. - Versatile for Multiple Activities : Ideal for festivals, raves, hiking, biking, climbing, and running. This hydration pack is an excellent gift for family and friends who enjoy outdoor sports, combining functionality with practicality. Stay hydrated and stylish with this reliable hydration backpack, expertly crafted for all your outdoor adventures.