Check the listing for details. Blank Bamboo Coasters Ready for Engraving - Rounded/Square. Color: Brown, Condition: New. Listed at 9.95 USD. BambooMN Heavy Duty 100% Eco-Friendly Natural Bamboo Coasters *Custom engraving available or choose from select designs!* PROTECT YOUR FURNITURE: Prevent damaging your furniture from marks and rings that can be difficult to remove with our Bamboo Drink Coasters! Beautiful Round Coasters to keep your furniture throughout your home from getting damaged!DIMENSIONS: Round coasters are approximately 3.75" in diameter from edge to edge, interior ring measures 3" in diameter, and are approximately 0.31" thick. Square coasters are 3.75" x 3.75" with an interior ring that measures 3", 0.31" thickSPILL PROOF DESIGN: With the interior ring on the coaster, it is designed to contain and absorb all of the fluid condensation from your ice cold beverage - Perfect for kitchens, bars, restaurants, coffee tables – bulk quantity great for any office our outdoor gathering – holds any standard drink beverage cup or mugHIGH QUALITY BAMBOO: Safe, Durable, Environmentally Friendly and Responsible Product. Bamboo is a Fast Growing, Highly Renewable and Sustainable Resource! The color of the coasters will vary slightly from one another due to the nature of bamboo. CUSTOM ENGRAVING: is also available. Add your own logo, monogram, or family name to make the perfect gift for anyone!