Guitar Inks Original Guitar Coaster Set / 5 beautiful extra-large coasters featuring classic guitar shapes These extra-large 4 ½” square coasters are ideal for everything including oversized beer mugs large coffee mugs and wine bottles Coasters are manufactured to withstand both hot and cold temperatures. Each coaster is constructed from mdf cork and matte lamination (4mm total thickness) CARE: Wipe clean with a damp cloth. Set includes 5 coasters. MADE FROM mdf MEASUREMENTS 4.5" diameter CARE Wipe clean with a damp cloth.