Our cup cover is made of pp, and it is safe and non-toxic. It is lightweight and portable, and easy to carry and store in your bag. You can buy the cup cover for you baby, which keep baby safe when it drinks water. Features: High quality PP material, safe and non-toxic; be safe to your kid. Small size: lightweight and portable, easy to transport and store, and it will no t occupy much space. Press to open: when kid want to drink water, just press the cover and drink water. Cup connector design: comes with the connector, make it easy for kid to drink water bottle, and kid can drink water everywhere. Straw design: the cup cover is designed with the straw, which is helpful for kid to drink water; it can prevent the water pilling out and choking your kid. Specifications: Condition: 100% Brand New Material: PP Color: Pink, Green(Optional) Upper Diameter: approx. 2.7cm/ 1.06in Weight: approx. 40g/ 1.41oz Package List: 1* Cup Cover Note: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1、High quality PP material, safe and non-toxic; be safe to your kid 2、Small size: lightweight and portable, easy to transport and store, and it will no t occupy much space 3、Press to open: when kid want to drink water, just press the cover and drink water 4、Cup connector design: comes with the connector, make it easy for kid to drink water bottle, and kid can drink water everywhere 5、Straw design: the cup cover is designed with the straw, which is helpul for kid to drink water; it can prevent the water pilling out and choking your kid