1.6 Sets of Hydration Pack: this running backpack with a 2 liter water bladder ensures you are always hydrated whether you are at a music festival or enjoying a day outdoors; The design allows for easy water consumption just by biting, with a fast flow and a leak proof lock; With this pack, staying hydrated becomes hassle and convenient 2.Light with Adjustable Comfort: the water bladder backpack is streamlined, light and has fully adjustable shoulder and chest straps; It's designed to fit different body sizes comfortably, ensuring you will not experience discomfort while enjoying your favorite activity; Its easy adjustability ensures a fit that moves with you, making it an ideal companion for outdoor enthusiasts 3.Stylish with a Fun Design: flaunt your style with the water backpack's holographic laser design; It coupled with shiny, waterproof materials, ensures you stand out; This vibrant backpack is the fashion accessory for music festivals, carnivals and outdoor sports 4.Ample Storage Space: the water backpack is designed with your convenience in mind; It comes with a main partition to store the water bladder, and an internal partition for small items such as phones, wallets, keys and towels. It ensures you have all your essential items in one place, saves space, and prevents loss