EFM EFCCASG271SMB mobile phone case 17 cm (6.7") Cover Grey, Transparent EFM Cayman with D3O Crystalex Case Armour now features latest in antimicrobial technology, making this range one of the slimmest, clearest, cleanest and toughest cases on the market. This classic range also features a new and improved PC backplate that is sturdy, consists of recycled materials to reduce impact on the environment and wraps around the D3O infused bumper for additional protection, better structural integrity and reduction on the rate of yellowing. The EFM Cayman with D3O Crystalex Case Armour range is the tried and tested solution for slim but tough impact protection which also allows you to appreciate your device for longer. The latest ion-exchnge technology incorporated into the case material kills up to 99.99 percent of bacteria and prevents further growth and reproduction during the life of the case. EFM Cayman Case Armour also features stylish Graphene design accents abd buttons, a reinforced flash ring to prevent camera lens damage and stadium screen edge protection to assist in shielding your device in the event of a flat drop.