Skinomi DryTech - Nokia Lumia 900 Screen Protector + Full Body Skin Protector/ Front & Back Premium HD Clear Film / Ultra Dry-Install Invisible and Anti-Bubble Shield Designed to be compatible with the Nokia Lumia 900 Dry application combined with optical clarity minimizes installation hassle Incredibly strong thermoplastic urethane composition that makes the film difficult to scratch or puncture Three layers of shield protection that work in tandem to protect your device, reduce UV ray absorption, and prevent yellowing over time Manufacturer Lifetime Replacements