Package Includes: sufficient for your daily use and replacement needs. Product Material: Our straws are made of premium -free plastic, the bite valve is made of -free 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 perfectly 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: As Shown Package Contents: 4 x replacement straws 4 x bite valve 1 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. zak straw cup zak straw cup stainless steel toddler straws zak straw replacement