The DOITOOL Silicone Sealing Rings and Airtight Silicone Material offer a reliable and convenient solution for replacing standard silicone parts in insulated bottle lids with a grooved design. Constructed from high-quality silicone rubber, these components maintain their elasticity and provide a perfect fit for various glass and metal bottles of different sizes. The grooved design ensures a leak-proof seal, even when subjected to extreme temperatures, making them ideal for use in space cups, thermal bottles, and other applications requiring an air-tight seal. The set comes with four sealing rings, each with a diameter of 16mm, ensuring ample coverage for various lid sizes. With DOITOOL's Silicone Sealing Rings and Airtight Silicone Material, you can expect a long-lasting, easy-to-use solution that saves you time and money compared to traditional methods.
