HyperShield Snap-on Back Cover for iPad 2 (Navy) We've got your back covered! Protect your iPad 2 with our HyperShield Back Covers. Designed to work perfectly with the Apple iPad Smart Cover. Compatibility: iPad 2. While the Apple Smart Cover keeps the front of the iPad 2 safe, it does not protect the iPad 2 aluminum back. This is where the HyperShield Snap-on Back Cover comes in.