Twelve South MacBook Pro Stand BookArc is a simple, elegant way to turn your MacBook Pro into a mini-tower desktop computer while at home. Made from heavy gauge steel, BookArc holds any MacBook vertically from MacBook Air to the 17-inch MacBook Pro. BookArc takes up very little space, it gives you a less cluttered workspace. Silicone cushions gently grip your MacBook without scratching it. You can remove and install the different sized cushions to switch from one MacBook model to another. BookArc is a beautifully designed and ergonomic MacBook Pro Stand.