HAMSWAN 500ml 17oz Bpa Free Silicone Foldable Water Bottle with Hook [Leakproof, Heatproof, Portable, Semi-Transparent] for Outdoor Sports- Hot Pink This water bottle was made of high quality silicone, which is BPA/DEHP free and harmless to your health. Approved by FDA, Food Grade Certification, ISO9001 Certification, SGS Certification and ASTM Certification. Disigned with a dust cover, an outlet, a detachable cap, anti-drop neck, a hook and a strap. You can just fold it and put into your backpack or gymbag, its ultra light and very convenient for carrying on. This water bottle is leakproof and heatproof, it can handle temperature between -40 and 100  and with a hook you can feel free to carry it on even it is full of hot water. Humanized mouth design gives you a comfortable drinking experience and an easy cleaning. This water bottle is durable for a long-lasting use, its a good choice for you during your gym exercise and outdoor activities. Moreover, we ensure a free warranty service for 12 months.