Fukaisu Leak-Proof Stoppers and Gaskets Set, Silicone 2pcs Stoppers for Owala FreeSip Sway 30oz 40oz/Tumbler 40oz 2pcs Gaskets for Owala FreeSip Sway 30oz Sports Water Bottle Accessories (Black)

["Product Contents: You will receive 2 pieces of stoppers and 2 pieces of gaskets, good sealing and durable, making them ideal sports water bottle accessories for you.","Product Size: The stoppers diameter is 3.8cm/1.5 in, precision engineered for perfect compatibility with Owala FreeSip Sway. You can buy with confidence.","Premium Material: These stoppers and gaskets are made of premium silicone, durable and reliable, and easy to clean. You can use them with confidence.","Compatibility: The stoppers are compatible with Owala FreeSip Sway 30oz 40oz/Tumbler 40oz and the gaskets are compatible with Owala FreeSip Sway 30oz. (Please note that our product is not sponsored or endorsed by, or affiliated with the brands it fits, including Owala FreeSip Sway Tumbler.)","Leak-Proof Performance: These water bottle mouth stoppers ensure a perfect fit and deliver exceptional leakproof performance. They are practical sports water bottle accessories."]