This bowl mat is woven with thick cotton thread which has good heat insulation effect and can protect the tabletop from abrasion. This bowl mat made of fine workmanship and has neat and smooth lines which makes it has no space between each line, and is very durable. It is made of soft cotton line material, very comfortable. There are four sizes to choose. It can be used as table mats, table coasters, plate chargers, and used for indoor dining table place mats or outdoor mats for picnic. Item Name: Coasters Material:Cotton Line Size Details: 30cm: 30cm x 30cm/11.81" x 11.81" (Approx.) 18cm: 18cm x 18cm/7.09" x 7.09" (Approx.) 30x40cm: 30cm x 40cm/11.81" x 15.75" (Approx.) 36cm: 36cm x 36cm/14.17" x 14.17" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Coasters