Create a portable work space at home or in the office with the Split-Level Laptop Desk and Presentation Cart. Set on casters, grips keep the laptop in place while this workstation is moved aroun.This versatile lap top stand is an economical choice for a variety of AV/presentation functions; use it as lecture stand or laptop computer stand anywhere! With two independent tops that tilt and adjust in height, this mobile laptop desk can be used when sitting or standing. The adjustable laptop stand rolls on four 2" heavy-duty casters (two locking) for easy movement. The upper level surface adjusts from 28"-42" high. The lower level surface adjusts from 24"-38" high. Locking tilt adjustments on both surfaces makes this notebook computer stand a highly adaptable, and essential office accessory! Steel and MDF construction.