The caliber Gourmet silicone collapsible water bottle is made of food-grade silicone resin, which can ensure safety and is non-toxic and tasteless. 

• Suitable for water or beverages from -40°C to 230°C. 
• We do not recommend using it in liquids above 140°F (60°C) to avoid scalding your hands. 
• 100% leak-proof and lockable nozzle cover.
• The foldable water bottle can hold 580 ml of liquid and weighs only 210 g. 
• It can be folded from 9.9 inches to 6.3 inches high. The foldable and lightweight design saves you 50% of the space, is suitable for carrying, and is easy to store.