The natural black mother-of-pearl coasters form a mosaic pattern imbued with subtle hues. A perfect accent piece for any table setting. These are beautifully handcrafted by master artisans. The set includes 4 coasters and comes in a canvas pouch. No two are exactly alike, and include slight variations in color, pattern, or texture which naturally occur. Each purchase empowers artisan communities in the Philippines. Wipe clean with a soft, damp cloth. Avoid harsh chemicals. Do not put in the dishwasher. Measures 3.75 in.