MOSTOP Shockproof TPU Corner Guard Bumper for HTC One M9 (Dark Blue) Compatible with: HTC One M9. Clear Back Panel - Retains the original design of your HTC One M9. Corner Guard - Anti-Shock layer with built in air pocket absorbs impact and shocks. Quad rear guard and front lip protect the screen and the back panel from scratches. Ultra Slim Fit hybrid design, made with a combination of TPU and Polycarbonate.