Goktvai 6pcs Replacement Bite Valve for Zak, Silicone Reusable Bite Valve with Cleaning Brush No BPA & Leak-Proof Mouthpiece Straw Cup Accessories for Zak Designs Kelso 15oz (6 Colors)

["Package Content: You will receive 6 pieces of replacement bite valves (gray, blue, rose red, orange, green, red) and 1 straw cleaning brush in the package. This practical and colorful set is designed to fulfill all your replacement requirements.","Excellent Material: Our replacement bite valves are made of good quality silicone, making them reusable, durable, BPA-free, leak-proof, hard to break, or damage. You can buy them with confidence.","Compatible With: The replacement bite valves are designed to work with Zak Designs Kelso 15oz water bottles, providing a reliable and leak-proof fit with each use. Please note that our product is not sponsored or endorsed by, or affiliated with, the brands it fits, including Zak.","Easy to Install: No tools are necessary. Just take out the old valve and insert a new one—it's quick, easy, and ideal for busy families or individuals.","Restore & Refresh: Easily swap out worn or damaged mouthpieces to prevent leaks and prolong the lifespan of your water bottle—there's no need to replace the entire bottle."]