Devicewear Durus [Armor Tough] Protective Case [Heavy Duty] Dual Layer Extreme Thermoplastic polyurethane Imported The Durus offers dual material protection. The TPU offers softer protection against your iphone 6 while the polycarbonate back plate protects against drops. TPU protection and Corner Cushion Technology provides complete interior protection. Redesigned buttons give better control over volume and the on/off button. Easy access to ports will allow for all types of accessories but keeps your phone covered at the same time.