Check the listing for details. 2pcs 9.3cm Protective Silicone Boot Sleeve Bottom Anti-Slip Sleeve Black. Condition: New. Listed at 17.01 USD. SpecificationMaterial: SiliconeSize: 9.3x4.5x0.2cm/3.7x1.8x0.1"(D x H x THK)Color: BlackPackage Content: 2 x Protective Silicone Boot SleeveMaterialOur product is Crafted from durable silicone material, this product is designed to withstand long-term use without excessive wear and tear. It effectively prevents your bottle from sliding on surfaces, ensuring stability and preventing accidents. Cleaning is a breeze as well, simply wipe it with a damp cloth or rinse it with water.InstallationEffortlessly maintain the cleanliness of your tumblers by gently wiping the surface with a clean, dry cloth. Next, carefully apply the bottle boot, ensuring to remove any trapped-air by gently squeezing it.Note Please confirm whether the product size fits your cup before placing an order.