Here is a great way to keep track of all your small bottles of paint. This CLEAR ACRYLIC PAINT TRAY has 18 compartments. Each compartment is 2-1/4" wide x 2-3/4" deep x 2-3/8" tall. It also has a sliding cover to keep your supplies clean when not in use. The overall size is 14-9/16 wide x 8-7/8 frt to back x 2-5/8 tall.