- 1 Main compartment in large capacity with inter-layer to organize your clothes, water bottle or any other things orderly - 1 Front Pocket with zipper to keep something smaller safely - 2 Side mesh pocket for holding water bottle or umbrella - Breathable Air Flow backside mesh Panel make you more comfortable when wear it - More Thicker shoulder straps to release the backpack pressure on your shoulder - Length of shoulder straps can be adjusted by webbing and buckle - Black ribbon handle to carry backpack when you don’t want to wear it - reflective stripe on one shoulder straps - The bag logo can be made by customer requirement - We can offer different size bag with this pattern for different grade requirements - Different material use on this backpack is workable - The same model can be used both for girl pattern and boy patternUTMOST STORAGE CAPACITY: 17 inch large opening 20-Liter main compartment to fit clothes/notebook/first-aid kit/kids' stuff. Built-in pocket for personal valuables.Front zipper pocket to keep something smaller and be protected from missing. Extra water bottle in the side mesh pockets for easy access. Don't worry, the hydration backpack has the utmost storage capacity for you and your kids' stuff. HIKING/CYCLING/SKIING WITH EASE -- With Ultra-Elastic 3D breathable padded back & adjustable chest, waist straps , this lightweight hydration backpack is comfortable and stable, perfect fits all sizes. Please be noted there’s no water bladder bag inside.