Goktvai 12pcs Bite Valve Replacements for Zak, Silicone BPA-Free Mouthpiece with Cleaning Brush Reusable Straw Cup Accessories Compatible with Zak Designs Kelso 15oz (4 Colors)

["Package Includes: This set includes 12 bite valve replacements in 4 vibrant colors—green, rose red, gray, and blue—along with 1 straw cleaning brush. A practical and colorful solution to meet all your replacement needs.","Compatibility: The bite valve replacements are perfectly compatible with Zak Designs Kelso 15oz water bottles. Please note that our product is not sponsored or endorsed by, or affiliated with the brands it fits, including Zak.","Safe & Durable Materials: Crafted from premium, BPA-free silicone, these bite valves are heat-resistant, reusable, and built to withstand daily use without cracking or leaking.","Restore & Refresh: Replace worn or damaged mouthpieces easily to prevent leaks and extend the life of your water bottle—no need for a full replacement.","Easy & Tool-Free Installation: No tools required. Simply remove the old valve and pop in a new one—quick, hassle-free, and perfect for families or individuals on the go."]