Safe Material: Our for zak straw replacement is Made of high-quality, food-grade silicone material, premium, Reusable, safe and healthy drinking experience and your family. Easy to Clean: With the detachable design, cleaning the for zak replacement straws is a breeze. Simply disassemble, wash with mild soap, and rinse thoroughly to maintain optimum hygiene. : The replacement straws compatible with for 15 oz water bottle, providing a seamless replacement option that ensures a leak-free. and Long-Lasting: Made to withstand daily use, our replacement straws are constructed with durability in mind. They'll hold up well over time, enabling you to enjoy your favorite beverages with confidence. Colour:Photo Color Material:Plastic + Silicone 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.