This is a set of 4 laser cut and engraved lightweight wood coasters. They are shaped like sea turtles. They are cut out of 1/4 in thick maple plywood. They are approx. 3.75'x3.5' inches in size. They are sealed wood on both sides. Please note: Due to the nature of the wood grain and color there may be slight variations from the pictures. There may also be small imperfections in the wood such as scratches, notches, or other natural impurities this is normal.