Coaster size: You will receive 4 round black coasters, each measuring 10 x 10 cm. Soft Rubber Material Our coasters are made of harmless, soft and durable PVC soft rubber material. The coasters can be easily cleaned in the dishwasher, providing convenience and ease of use. Strong Anti Slip Performance Bold rivet design enhances the anti slip performance of the coasters and keeps items stable even on inclined surfaces. It prevents liquid leakage and avoids leaving marks or residue on glass tabletops. Wide range of applications These thickened coasters are versatile and can be used in restaurants, living rooms, bars, kitchens and more. In addition, they can be placed under high temperature candle holders, candles or small potted plants to protect your table from damage and spills. The coasters are also suitable for outdoor use in the garden as they are wind and sun resistant.