This wonderful Piel Frama iMAGNUM Samsung Galaxy S4 case has been handmade by our experienced leather craftsmen in high quality calfskin-crocodile, passing strict quality controls during the whole manufacturing process. - Its inner thermoplastic polymer structure gives a high resistence and a perfect fitting to your Samsung Galaxy S4. - Our exclusive magnetic closure system with hidden magnets, does not affect the functionality of your device. - Magnetic sleep mode function. - Sync and charge through travel cable. - These Samsung Galaxy S4 cases have a completely rotable and removable belt clip for belt, handbag... (The knob is also removable). - The Ultra Belt Clip is significantly stronger and it offers more security than anything similar on the market. - Soft leather lining. - This Samsung Galaxy S4 case has an inner polypropylene structure. - Foamy material inside the case to enlarge the protection of the Samsung Galaxy S4.