Sit stand Easy Adjust Keyboard Tray, Standard Platform, 25.5w X 12d, Black 24.75" Brand Name: Southworth Color Family: Nahanco Traditional plastic top Brand Name: Southworth Color Family: Ivory Envelope Closure: Gummed Envelope Flap Style: Commercial Envelope Number: #10 Envelope Pack Size: 50 Per Pack Envelope Paper Finish: Wove Envelope Size: 4 1 8" x 9 1 2" Envelope Type: Inter Departmental Envelope Window Location: None Height in Inches: 4 000 Post Consumer Recycled Content: 64% Recycled: Yes Refill: No Remanufactured: Yes Supply Type: Toner Total Recycled Content: 64% True Color: Black Warranty Information: 2 Year Yield Type 1: Standard Yield Yield Type 1 Color: Black Yield per Cartridge (Black): 11 Sturdy platform has proprietary lateral adjustments for getting the keyboard exactly where you want it and an all in one platform with wooden construction to minimize bouncing tilts forward and back