BB20030 Display Tray- Designed to display a variety of cardboards with blisters. These trays work great for displaying products for selling at events. Tray Dimensions: 19 1/4 x 2 7/16. Groove Depth: 1/2". Made of rugged, high-impact, acid-free, 1-piece, clear plastic- providing you with a safe and secure way to organize and display your collectibles.