EFM Aspen Crystalex Clear Case Armour with all new Crystalex D3O û The worlds most protective transparent material. Market leading UV resistance, non-tinting and with a 200% greater dye transfer resistance than conventional TPU materials.The Aspen caase provides clarity that lasts. Aspen is 6 meter drop tested, offering 360 degree device protection when combined with our Screen Armour without impeding or restricting any functions of the device. The stadium screen edge prevents damage from a flat drop or scratches to the screen. EFM Aspen Crystalex Clear Case Armour is one of the slimmest, clearest and toughest cases on the market. Allowing the user to truly appreciate their device for longer. For slim but tough device protection, EFM Aspen Crystalex Clear Case Armour is the tried and tested solution.