4pcs Bite Valve for Zak Designs Kelso, Silicone Replacement Bite Valve Compatible with Zak Designs Kelso 15 Oz/16oz Reusable Cup Lid Replacement Straws Accessory (Green)

["Package Details: You will get 4 pieces of practical water bottle replacement bite valves with the size about 5.5x4x1.5cm/2.17x1.57x0.59in, enough quantity to meet your usage and displace needs, extending the service life of the cup.","Premium Material: Made of reliable silicone material, our water bottle replacement bite valve is soft and durable, BPA-free and comfortable to taste, suitable for both children and adults, easy to clean and reusable.","Smart Design: Our replacement bite valve adopts an ergonomic design as a whole, with a comfortable bite feeling and no special taste, giving you a better drinking experience.","Compatibility: Our water bottle replacement bite valve is compatible with Zak Designs Kelso 15oz/16oz products, 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.","Widely Used: The water bottle replacement bite valve is a practical water bottle replacement accessory that can be used in multiple scenarios, such as daily drinking, sports or outdoor activities. It is also suitable for both children and adults."]