The LIGIGWASH 3Pcs Silicone Sealing Ring Gaskets for Stainless Steel Insulated Bottle Lids, Food-Grade Reusable O-Ring Seal, is your go-to solution for securely sealing your bottles with ease. Made from high-quality silicone, it offers excellent insulation for hot or cold beverages. The O-ring's thickness of 0.25cm ensures a tight fit, preventing leaks and maintaining the freshness of your drinks. These gaskets are suitable for insulated bottles, making them perfect for camping, hiking, or work trips. Plus, they are reusable, cost-effective, and environment-friendly. Say goodbye to leaky bottle lids and hello to hassle-free sealing with the LIGIGWASH Silicone Sealing Ring Gaskets.