STM-222-123JX-33 Half Shell ipad Pro, Thermoplastic polyurethane (TPU), Compatibility Apple - iPad Pro 9.7", Bump Resistant, Scratch Resistant, Back cover for tablet. The STM-222-123JX-33 Half Shell Case is a lightweight yet durable enough to protect your 9.7" iPad Pro from bumps and scratches. It also has a clear back so you can show off the colour of your iPad Pro as well as the Apple logo.