NeckDoctorfor LAPTOPS-L : Color Smart White, Dimensions 600x531x758~1128mm (23.6″x20.9″x29.8″~44.4″), Worksurface Size(LxW) 600x520mm (23.6″x20.5″), Worksurface Thickness 16mm (0.63″), Worksurface Weight Capacity 8kg (17.6lbs), Tabletop Tilt Range 0°,10°,20°,30°, Height Range 758~1128mm (29.8″~44.4″), Certification MDF Board TSCA Title VI compliant, DIY – Do It Yourself KIT & assembly kit included.