Goktvai 12pcs Replacement Bite Valve for Zak, BPA-Free Mouthpiece with Cleaning Brush for Zak Designs Kelso 15oz Reusable Leak-Proof Straw Cup Accessory (Gray, Blue, Orange, Rose Red, Green, Yellow)

["Product Included: You will receive 1 set 12 replacement bite valves in 6 vibrant colors— gray, blue, orange, rose red, green, yellow—along with 1 straw cleaning brush. A practical and colorful solution to meet all your replacement needs.","Compatibility: This replacement bite valve are compatible with Zak Designs Kelso 15oz water bottles, ensuring a secure and leak-resistant fit every time. 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 good quality 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 Installation: No tools required. Simply detach the old valve and pop in a new one—quick, hassle-free, and perfect for families or individuals on the go."]