High Quality Material: Using high-quality environmentally friendly silicone raw materials, safe, environmentally friendly, healthy, and odorless. It has high strength, elasticity, toughness, and tear resistance, with a smooth and flat surface, flexible and soft elasticity, and comfortable hand feel Multiple Protection: Adopting the production process of high-temperature vulcanization molding with hydraulic press, it has good sealing, waterproof, anti-drop, shockproof, anti-mold and sun protection properties Furniture Protection: Soft silicone Coasters with holder protect the surface of your kitchen counter tabletop, office desk, or dining table or Coffee table or Night table or wooden table from stains or water rings from nasty marks or scary scratch Easy to Clean & Store: Coasters for coffee table that won't absorb odor, stain, rust, it can be directly rinsed or brushed with water, and it's dishwasher safe and almost everything washes off easily Heat Resistant Non-Slip: Extreme temperatures range from -30°C to 230°C, Can be used in more occasions, keep the desk clean Specifications: Material: Silicone+Iron Size: Cup coaster: diameter 10x thickness 0.5cm Iron frame support: length and width 11.4x11.4x4.3cm