1. DURABLE: 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. 2. 100% BPA-FREE: Made of FDA approved BPA-free food grade silicone. Nontoxic, no taste or odor and eco-friendly. 3. EASY TO CARRY: 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. 4. STYLISH AND PORTABLE: Compact and collapsible portable design, prefect canteen for camping, hiking, military training, traveling, gym, biking, running etc. 5. LEAKPROOF COMPASS CAP: 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."