Amazon.com: Tekcoo for Galaxy S4 Case, [Tmajor Series] [Green/Black] Shock Absorbing Hybrid Rubber Plastic Impact Defender Rugged Slim Hard Case Cover Shell for Samsung Galaxy S4 S IV I9500 GS4 All Carriers :
NEW BACK BATTERY COVER FOR SAMSUNG GALAXY S4 S 4 i337 | eBay
Universal Waterproof Cover for Samsung Galaxy S4 i9500 - Walmart.com
Samsung Galaxy S4 Phone Case Leather | Samsung Galaxy S4 Case Mobiles - Leather Cover - Aliexpress