Ergostand Air The ErgoStand Air is our newest lightweight, slim design notebook stand. It features a hollow frame structure constructed with aluminum alloy for ample airflow and ventilation as well as added thermal dissipation. It is designed to fold flat for easy storage and portability, as well as keeping your workspace clean and tidy. Set your perfect viewing angle with the adjustable 5 ergonomic height settings for optimal posture to reduce body soreness and eye strain when using your laptop over long durations. Aluminum Alloy Constructed with 4mm solid aluminum alloy for a portable and lightweight structure, supporting up to 15" laptops or tablets. Soft Rubber Padding Durable rubber anti-slip pads protect your laptop from scratches and hold your laptop in place. Ergonomic Versatility 5 versatile ergonomic height settings for a comfortable viewing angle. Wide Range of Compatibilities Compatible with laptops or tablets from 10"-15.6".