The 18 Compartment Tray is made of plastic with a clear plastic “Easy Out” sliding cover that won’t come off even if dropped.  In addition, each compartment is equipped with a rounded front edge to make retrieving beads and other small items easy.

Overall Dimensions: 6-3/4" x 10-1/2" x 1-5/8"

Compartment Dimensions: 2" x 1-5/8" x 1-1/2"