LAPTOP STAND: This aluminum laptop riser is built with 2 angled (16°) supporting arms that have a flat surface with a lip acting as a stopper. The arms are lined with rubber pads to protect the laptop from scuffs and scratches EASY ASSEMBLY BY HAND: The laptop computer stand is quickly assembled by hand connecting the 3 pieces (tool-less). This lightweight design, weighing only 2.13lbs (970g) is very sturdy and allows the desk laptop holder to support up to 11lbs (5kg) EFFICIENT USE OF SPACE: The angled arms sit at 4.17in (106mm) and 5.67in (144mm) high and are spaced 6.3in (160mm) apart, providing airflow and enough room to store keyboard and mouse. Openings at the back of the notebook stand help with cable management HIGH QUALITY: The laptop stand for desk has an anodized silver finish and grey anti-slip pads that complement MacBooks amongst other laptops. All the pieces of the laptop platform are 0.19in (5mm) thick. Support arms dimensions 8.26x1.96in (210mmx50mm) ANTI-SLIP PROTECTION & STABILITY: Pads at the bottom protect the surfaces on which the ergonomic laptop stand sits (including glass top desks) and are non-skid providing additional stability. Overall dimensions 10.2x8.7x5.6in (260x223x144mm)