3M Adjustable Notebook Riser raises your notebook to an ergonomically correct height and frees up desk space. Height adjustable from 4 to 6 inches in ½-inch increments. Slots in platform help keep notebook ventilated. Cable management feature keeps cords organized. Also includes side shelves and adapter for 3M DH445 Document Holder (document holder sold separately). Compatible with docking stations. Supports up to 15 lbs. It is Black. And it has 30-day warranty.