100% BPAFREE: Made of FDA approved BPA-free food grade silicone. Nontoxic, no taste or odor and eco-friendly.The water bottle is soft but unbreakable. Reusable and can be exposed to temperatures ranging from 40F to 248F. Perfect for both hot and cold drinks.The thick, soft silicone body and sealed-tight lid prevent water to leak. The compass in the bottle cap can be taken out and offer you help in emergency. Collapsible water bottle silicone allowed to be folded to save space and easy transport. It allowed to be folded to 1.9 x 8.2 in for easy carry.Compact and collapsible portable design, prefect canteen for camping, hiking, military training, traveling, gym, biking, running etc.