Custom Living Room, Bamboo Coaster - Eco-Friendly & Heat Resistant, Made from environmentally friendly bamboo Features a striped wood grain appearance Round coaster with rim around edge Naturally heat and bacteria resistant Best to hand wash with warm water and mild soap detergent Due to natural variations in the grain, laser engraved imprints may have slightly different shades - a tone on tone imprint is common with lasered bamboo ... #1847 $1.75/each.