Personalized square bamboo coaster sets with a matching holder make an eco-friendly corporate, wedding or housewarming gift with room for a logo on every piece. Decorate with laser engraving and color filling after engraving; both sides of each coaster can be personalized. Size: Coasters 3 3/4" x 3 3/4" x 5/16"; with holder 4 1/2" x 4 1/2" x 2 3/4". Maximum imprint area: 3 5/8" x 3 5/8". Seven-piece set: six bamboo coasters and a bamboo caddy. Handmade, so sizes may vary slightly. Sold in case quantities of 4.