Goktvai 8pcs Replacement Top Bite Valve, BPA-Free Silicone Spout Mouthpiece Lid with Cleaning Brush Part Compatible with Zak Designs Kelso 15oz Reusable Straw Cup Bottle Accessories (4 Colors)

["Package Includes: This set comes with 8 replacement bite valves in four bright colors and a straw cleaning brush. Sufficient quantity and rich selection to fully meet your daily replacement needs.","Perfect Compatibility: Specifically designed to be compatible with Zak Designs Kelso 15oz water bottles and straw cups, ensuring a secure and precise fit. Please note that our product is not sponsored or endorsed by, or affiliated with, the brands it fits, including Zak.","Quality Material: These bite valves are made of quality, BPA-free silicone. They are heat-resistant, not easy to deform, and can be reused multiple times, ensuring long-term safe use.","Effective Leak-Proof Restoration: Swapping out a damaged valve with our replacement instantly restores a tight seal, making your favorite water bottle look and perform like new again, so you can enjoy it for years to come.","Easy Installation: No tools are required for operation. Just detach the old valve and install the new one directly. It's a quick, hassle-free swap that takes only seconds."]