Gratnells Deep Tray will fit all standard school furniture. These storage trays are molded in polypropylene with no rough edges and are fully stackable. Colorfast and chemical resistant. Built in carry handles, fully recyclable and come with a 5 year guarantee. Perfect for many other uses such as home, office and industrial. Tray measures 12.3" x 16.8" x 5.9". Pack of 6 trays.