Apple Watch Case Premium Polycarbonate Material Thin, Perfect Fit Slim Protective Cover for Apple Watch / Watch Sport / Watch Edition 2015 - 42mm [Black] Strongest, powerful extremely thin and lightweight tight fitting protector. Easy install and unload. Made with premium polycarbonate, TPU material. Perfect design with easy control for all buttons and connectors. Perfectly designed accessory with easy control for all buttons and connectors Armor perfect for active, sports, work and military. Flexible, sturdy protection for shock absorbing bumps. Compatible with 2015 Apple Watch. Two different models, 42mm and 38mm for your defense.