The desk is easily adjusted to 23, 26 or 28 inches by using the knobs on the legs. You can keep cables and extension cords organized by placing them in the cable holders between the front and back legs. Desk top Particle- and fiberboard with honeycomb paper filling (100% recycled paper), Plastic edging, Acrylic paint, Clear acrylic lacquer Add-on unit Main parts: Particleboard, Printed acrylic paint, ABS plastic Adjustable shelf: Particleboard, Fiberboard, Printed acrylic paint, ABS plastic…