These storage trays are designed to neatly organize all your letter-sized handouts, booklets and papers. The bright colors are ideal for STEM or STEAM organization. The easy-to-grip comfort edges are perfectly sized for big and small hands. Made of nonporous plastic, these trays are dishwasher safe and drop resistant. Fits standard letter size paper, handouts and workbooks Bright colors are perfect for STEAM or STEM color coding Made of sturdy, drop resistant plastic Includes matching lids Measures 10 long x 13 wide x 3 deep