TKwide O-Ring Seals - High-Quality Rubber O-Rings for Plumbing, Automotive, and Industrial Use - Perfect for Leak Proof Sealing in Pipes, Valves, and Hydraulic Systems

Gaskets work hard to keep your bottle leak-proof, and they can stretch and wear over time. Replacement o-ring gasket for use on any of our TKWide Caps. Works for the TKWide Twist, TKWide Chug, TKWide Café, TKWide Straw and TKWide Loop caps.