Adjustable Laptop Cart Gas spring lift pole height adjusts from 72cm / 28.4" up to 98cm / 38.6" Tablet computer fixture size 16.8 ~ 20cm for general 7" ~ 10" flat Large high-impact plastic notebook shelf (60 x 38.5cm) fits up to 17" notebook Durable polypropylene base (63 x 62.5cm) with three 7.5cm lockable casters Made of durable ABS plastic material