Ergonomic Aluminium Portable Foldable Cooling X-Stand for 12"-17" Laptops, Notebook PC, MacBook Elevates your laptop, notebook PC, Macbook Air which drastically increases airflow and prevents overheating Ultra compact (6.3" folded) and lightweight (5.3oz) Angles your laptop for proper ergonomics and natural typing Can be used on all laptop PC, notebook PC with up to 17" screens