DURABLE AFFORDABLE QUALITY: Compared to high-end brands that cost 60 or more, this 2L camel backpack is made from heavy-duty ripstop nylon, heavy-duty metal zippers and more.Cold water up to 4 hours: Your insulated backpack with 2L (2L) hydration bladder keeps you hydrated longer. Leak-free and BPA-free, you can take 2.5 miles more with ease.Multiple Storage Compartments: The insulated backpack has multiple pockets to meet the need to store your different needs. Holds water bags, clothes, raincoats, towels, wallets, cell phones, keys, etc.Customizable comfort: backpack for men, women and youth; fits comfortably in all frames; the adjustable shoulder strap and the chest strap are improved to ensure that the neck will not be tight during exercise.365-day after-sales service: If for any reason you are not satisfied with this product, please contact the customer immediately, and we will help you solve your problem as soon as possible. Leakage problem cannot be avoided, even though we have done 100% checks before sending it to you. If this happens, please contact us immediately.