Code: Designed, sold and supported by Twelve South, a small family business in Charleston, South Carolina. Protection: Anti-slip silicone pads and folded arms keep the holder in place and avoid scratches Best ergonomics: the curve lifts the 6 inch Portable (5.9 in) of your desktop to relieve the tension of the neck and shoulders Air flow: the curve keeps 70% of the base exposed for an optimal cooling Compatible with Portables from 11 to MacUS.