The surface of the wooden tray and mosaic pieces is treated, smooth and comfortable, and will not hurt your hands. The edge of the tray has a raised round design, which is convenient for moving or picking up. These wooden trays can be used as drink coasters, cute plant trays, table decorations and home decorations. Add aesthetic appeal to the home and are an indispensable practical tool for the family. This coaster provides a buffer between the tabletop and the cup, eliminating scratches on the tabletop and cups caused by low water damage, and provides excellent protection for the tabletop and cups. Very suitable for people who like DIY, you can give it to your friends and family as a holiday gift. You can also choose to complete the making of the coasters and then give them to your friends and family, which will make the coasters more meaningful and unique. Mosaics are very easy and fun to make. A clear and simple instructional guide is provided for learning the steps of mosaic making. The simple and elegant design makes it a perfect gift for any occasion. Coaster size: Round: 4.3 inches/11 cm Square: 3.9x3.9 inches/10x10 cm Hexagon: 4.1 inches/10.5 cm Colour:As Shown Material:Wood Package Contents: 1set x mosaic kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.