Package Includes: sufficient for your daily use and replacement needs. Product Material: Our straws are made of premium plastic, the bite valve is made of silicone, reliable to use, not easy to break, so you can use them without any worry. Excellent Performance: Our replacement straws with bite valves are ly compatible with your water bottles and 't leak. With bite valves, they are more comfortable to use. Easy to Clean: With our straw cleaning brush, it is easy to clean these replacement straws with bite valve by water, simply and conveniently. Material: Plastic + silicone colour:Random Color Note: Random color, don't accept the specified color. Package Contents: 8 x replacement straws 8 x bite valve 2 x cleaning brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.