Instant Dry Stone Absorbent Diatomite Coaster Set of 4 for Drinks Wine Coffee, Modern Unique Cup Diatomaceous Earth Coasters for Coffee Table Office Desk, White. Material Diatomite. Quick Dry Absorbent Coasters - Unlike coasters made of other materials, our diatomite coasters for drinks have long-lasting absorbency and dry within minutes to keep your table dry.
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