●Feature 
1.PPSU is widely used in manufacturing medical products as the material is high in transparency, hardness and high heat resistance. 
2.Bearable with 1000 times repeated sterilization by experimental proven. 
3.Printed with lead-free ink from Germany. 
4.Convenient and hygienic flip-it lid. 
5.Smart air vent steadies the flow. 
6.Easy to grip, anti-slip handles. 
7.Selected food grade silicone tube. Drink at unlimited angles. 
 
●Material 
Flip-it lid ： ABS (-20°C~+100°C／-4°F~+212°F) 
Cap/Junction： Polypropylene (-20°C~+100°C／-4°F~+212°F) 
Sipper Straw/Silicone Ring/Tube：Silicone (-20°C~+100°C／-4°F~+212°F) 
Bottle： PPSU(Polyphenylene Sulfone) (-20°C~+197°C／-4°F~+386.6°F) 
Tube Bead ： Polypropylene、Stainless Steel (-20°C~+100°C／-4°F~+212°F)
 
Attention: Tube bead contains stainless steel, please DO NOT put it in the Microwave for heating.