This absorbent coaster is made of ceramic and cork pads, the ceramic surface is slightly frosted to increase friction, even with condensation, cups can be placed firmly. This coaster can quickly absorb condensation from cold drinks as well as insulate the temperature of hot drinks to avoid damage to the table. Suitable for hotels, restaurants, bars, offices, dining tables, conference tables and other occasions, good for both personal use and gifting.SpecificationColor: White, WoodMaterial: Marble, CorkCoaster Size: 4x4x0.5 inch / 11x11x1 cm (LxWxT)Coasters Set Size: 5x5x3 inch / 12x12x7 cm (LxWxT)Packing List: Coaster x 8, Metal Holder x 1AdvantageComes with a metal holder to store all coasters, keeping the table clean and tidy.The cork pad at the bottom prevents the coaster from scratching the table or slipping.The ceramic stone material is durable and long-lasting, ensuring that these coasters will protect your furniture for years to come.InstructionPut the coaster in a ventilated place after use to help the coaster stay dry and extend the product service life.Easy to clean, simply wipe these coasters clean with a damp cloth to keep them looking like new.Note: The product is made of marble, but should avoid impact with hard and fragile goods.