Goktvai 14pcs Replacement Bite Valves Mouthpiece Spout Set Compatible with Zak Designs Kelso 15oz, Include 6 BPA-Free Silicone Reusable Straw Cup Lid Accessories 6 Seal Rings 2 Cleaning Brush

["Product Included: You will receive 1 replacement bite valves set, including 6 pieces of bite valve replacements, 6 pieces of seal rings and 2 pieces of cleaning brushes.","Product Material: The replacement bite valves and seal rings are made of prime-quality silicone material, soft and durable, BPA-free, reliable and reusable. You can use them with confidence.","Compatibility: Our replacement bite valves are Compatible with Zak Designs Kelso 15oz water bottles. Please check the brand and model carefully before purchasing. Please note that our product is not sponsored or endorsed by, or affiliated with the brands it fits, including Zak.","Outstanding Performance: Our replacement bite valves deliver outstanding performance, no leaks caused by wear and tear. Made from premium materials, they provide a soft, comfortable bite and are smellless and tasteless, ensuring a refreshing drink every time.","Versatile Application: The replacement bite valves are easy to install—simply remove the old one and replace it with the new model. Applicable for both adults and children, they are perfect for various scenarios, including daily drinking, sports, or outdoor activities."]