• Silicone Folding Water Bottle, 500 ML Color: RandemProduct DescriptionMade of food-grade platinum silicone, 100% FDA approved and BPA free . Healthy than the plastic bottles, reusable, no stinky odors or bad tastes. Safe for a wide range of temperature: -40°F-30°F. But We do not recommend using the bottle for liquid temperatures higher than 140°F to avoid scalding your hand while holding it.water bottle is soft and durable, unlike the glass water bottle , which is easily broken . It is designed for outdoor sports , like running, cycling, travel, hiking or indoor gym. Esepecially with the added gear-carabiner provide much convenience for these activitiesCollapsible design, 60% volume reduction after folded, only 5.12"(height) left，can be adjusted to small or large to meet your needs. Hook design make the bottle easy to carry or attached to your backpack. Light but sturdy, easy to pack for travelling.