Asmwo Cute White Absorbent Octagon Diatomite Coasters for Drinks Table Cup Coaster Kit Coaster Set for Women Men,3.5 inch,Set of 4 These octagon coasters are made of diatomite,set of 4 pieces,3.5 inches from edge to edge,large enough to accommodate most cups,beer glasses,wine cups,mugs They are absorbent,absorb spills and condensations from your drinks gradually,keep the cup bottom and the tabletop dry,protect your precious furniture from marks These coasters are sturdy,they don't easily slide around on table so glasses,mugs stand firmly on them Geometric pattern debossed on the surface,modern and funny,a cute gift for both women and men,use in office,home,bar or other occasions for drinks,wine,beer,wedding and company Rinse clean and leave them to dry after using,not recommended to wash in dishwasher