These coasters are hand-crafted out of small pieces of recycled teak that would otherwise be destroyed. In conjunction with the matching placemat, this set adds texture and depth to any indoor or outdoor table setting. The coasters will protect your table and surfaces from heat and moisture. This piece measures 3.9 in x 3.9 in x .28 in and comes with 4 coasters per set. We also carry placemats and floor mats in this style and finish.