Kellos 18 inch Air Mattress with ETL Certified Internal Electric Pump and Carrying Case Twin Product Type Desktop Document Racks Product Type Desktop Document Racks & Sorters Horizontal & Stacking Desktop File Folder Sorter Type Horizontal & Stacking Number Of Compartments 3 Materials Steel Mesh Width 9 1 4" Depth 11 3 4" Height 8" For File Size Letter A4 Colors Black Load Orientation Front Compliance Standards GREENGUARD Certified Pre consumer Recycled Content Percent 0% Post consumer Recycled Content Percent 0% Total Recycled Content Percent 0% Special Features Three Tray Set Wire wrap on natural brown willow twig accordion expandable back Puncture Resistant 100% PVC Gray Base will hold up to 550 lbs Twin Inflatable Air Mattress with Internal UL Certified Electric Pump