School Smart Flat Storage Tray, 13 x 10-1/2 x 2-7/8 Inches, Blue Our School Smart Blue Flat Storage Tray stores letter size paper and materials in an organized fashion. Measures 13 x 10-1/2 x 2-7/8 inches. A great addition to any educators desk Durable plastic construction for longevity It can be used alone or within storage units Great for classroom or home use