Both the rear shell and front lid are made of plastic, and are held together with a tall rubber hinge. On the previous versions of the case, both sides were lined with vertical ridges; this time, only the lid is. It uses a rubber clip to latch around the iPad’s edge, holding the case securely shut, and also has magnets that automatically lock and unlock the tablet. Fully closed, it feels slightly larger than before, thanks in part to a thicker…