FINCIBO Case Compatible with Samsung Galaxy J3 J310 J320 2016 Express Prime, Back Cover Hard Plastic Protector Case Stylish Design For Galaxy J3 J310 (NOT FIT J3 PRO, J3 EMERGE) - Purple Butterfly (2) (NOT FIT for J3 Pro J3110, J3 Emerge J327). Compatible with Samsung Galaxy J3 J310 J320 (2016) Express Prime Sol J321 only. This is hard case for back side only, without front side. Made of hard plastic material. Cover is perfect for those who are seeking a stylish and unique design to decorate their phone. Protect your phone against dust, smudges, fingerprints, and scratches. Your cell phone will have a brand new look. Precise cut openings to allow full access to all the ports and buttons of your phone.