Set of 24 Cork Bar Drink Coasters - Absorbent and Reusable - Tan - 4-Inches, 1/8-Inch Thick 24 pack of round cork coasters are extremely versatile and has many uses! Malleable, flexible and easy to cut into any shape and size Each cork tile is 1/8th of an inch. Easy to clean - simply wipe with a soft damp cloth. Cork tiles measure 4 inches in diameter.