Features: Adds invisible storage for pens, pencils,glasses, and cell phone to the underside of your desk. High quality-ABS material, pop-up drawer is safe and durable, able to meet your daily repetitive open and close. Hidden storage-It is hidden at the bottom of the desktop and doesn’for t take up the desktop space. It helps to protect your private storage items. Clean the place you want to stick up to, and stick the for case to the underside then press hard for a mimute. Easy Installation-Just peel off the protective film and stick to where you want. Please choose the most comfortable position to fix it in a smooth surface. Specifications: Material: ABS +Acrylic Glue Total Length: Big: Approx. 22.3x9x3.5 for cm/8.78x3.54x1.38 inches Small: Approx. 22.3x13.5x3.5 for cm/8.78x5.31x1.38 inches Package Includes: 1 x Storage Box note: 1.Please allow 1-2cm errors due to manual measurement. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.