Features:1. Made of 100% food grade silicone passed FDA，LFGB test， durable and flexible enough to folding， foldable drink bottle are Non-toxic， BPA free and safe.2. Endure -60 to 200 Celsius， Great for hot and cold beverages， you can freeze or microwave it. It retains its shape and never releases harmful chemicals3. You can freeze it and use it as an ice pack when you get hurt or have a fever: or put hot water in， it can be used as hot pack too.4. It can be used as a mini pillow when you have a long flight.5. Perfect for work， school， gym， running， hiking， biking， boating...6. Easy to wash and carry， dishwasher safe.7.Foldable， lightweight， easy to carry8.2-layer bottle cap， leak-proof9.Edible silicone material， safe and reliable10.Crash resistant， shockproof， high temperature resistant11.Good flaxibility， hard to be out of shape Specifications:Crude material:Liquid Silicone for the body and PP material for capTemperature resistance:-60��C to 200��CWorkmanship:Injecting technology By injection molding machineParts:bottle body， PP cap， and stainless steel hand ringsVolume:500ML(17 OZ)， Customize size acceptableUsage&Function:to hold water，milk， fruit juice or other liquid(except acid liquid)Size: 23x6cm/9x2.4inch; Folding size: 10x9cm/3.9x3.5inch. Package include:1 x Foldble Bottle