This SVNNELP under desk storage set includes three slide out drawers in large, medium, and small sizes. These organizers are made of durable PET plastic with rounded corners and a smooth surface for a comfortable feel. The drawers attach to the underside of tables to provide extra storage space for pens, scissors, headphones, and other small tools. The internal dimensions are 13 by 9.8 by 2.7 inches for the large drawer, 9.6 by 9.1 by 2.7 inches for the medium drawer, and 8.3 by 7.3 by 2.5 inches for the small drawer. Each unit features strong sticky tape for stable mounting and a high carrying capacity to keep items secure under your desk, office, or kitchen table.