NON-SLIP: The leather coaster is made of high quality non-slip polyurethane to prevent shifting and secure our cups. The round design of the coaster ensures that any glass or bottle can be used. HEAT RESISTANCE: Our high quality coasters have dirt-repellent and heat-resistant functions. You never have to worry about leaving marks on your desk due to high temperatures. WATERPROOF: The coaster is made of waterproof material, which is convenient for daily cleaning and repeated use. Wipe after washing to dry quickly. SUITABLE FOR ANY OCCASIONS: The beer coasters are ideal for families, hotels, restaurants and bars, and can be used as good gifts for friends. Suitable for hot/cold drinks. Suitable for all cups and mugs. Doesn't stick to the bottom of your cup Made of waterproof polyurethane, easy to clean, allows reuse immediately after washing. - Thick design makes it very durable, not only protect your desktop, but also can be used as furniture decoration