Your Grodan� Starter plugs, Mini-Blocks� and Gro-Blocks� have finally found a home. This durable Dutch tray has double-sided features. Use the 78-cell side to perfectly fit 1.5 in A-OK Starter Plugs� or round Macroplugs�. Use the mesh side for sheets of A-OK's, Mini-Blocks�, or Gro-Blocks�. The tray fits in a standard 10 x 20 flat and keeps the Grodan� elevated from the bottom of the flat. Easily sanitize as any hard-plastic product; even dish-washer safe! This terra-cotta colored tray was designed by Grodan� and is exclusively manufactured for the Grodan company.