WRELS 1L/1/2L/3L Large Capacity Outdoor Backpack Drinking Water Bag Outdoor Cycling Camping Foldable Water Bag Specific Information: Name: huge capability backpack water bag (designed for outside sports activities people to provide clean and speedy water) Capacity: 1L,1,2L,3L Material: water pipe PVC, bag physique PEVA, handle PC Suitable occasions: running/hiking/cycling/hiking/camping and so on Features: 1 material is safe, does not contain BPA and PVA, the water bag is tasteless and environmentally friendly, and would not leak 2, foldable water bag, doesn't take up space, clean to carry and storage, very suitable on your open air sports activities three to drink, gently squeeze to provide numerous moisture, drink directly with a straw or take it out easily, no use to remove the operating backpack or give up your steps 4 sealing, bilateral thermal sewing process, scorching pressing bonding molding, to avoid the chance of water leakage