Silicone cup cover 1.food grade silicone cup cover 2.soft and safe 3.nontoxic,nonstick,nonslip,dustproof 4.custom designs Silicone Rubber Cup Cover 1. eco-friendly food grade silicone2. temperature range: -40~260 centigure3. flexible and light to store and transport4. safe for dishware, microware, oven, freezer.5. custom design and logo are mostly welcome Silicone Rubber Lucky Duck Cup Cover