Make your brand known with this practical promo gift! The Square Slate Coaster Set provides four drink holders that measure 4" x 4" x 3/16" and have feet underneath to keep hot or cold drinks from damaging tables, desks or counters. The coasters are unique due to the natural variations that happen with this type of material. Make this a giveaway at wedding and anniversary parties or supply these to local establishments when you add custom imprinting to protect their tabletops and get your advertisement noticed. These products come in onyx presentation boxes. Or round out your promotion when you choose a circular selection of the same item!