Amzer AMZ94902 ShatterProof Screen Guard Protector for Apple iPhone 4/4S  - 1 Pack  - Retail Packaging - Front Coverage Provides extreme grade protection to your Apple iPhone 4. Its Shock Dissipative Function allows your device to withstand extreme shock and pressure. Easy Application and Scratch Resistance. Self Healing Properties deliver resistance to damage. Amzer ShatterProof Film also resists drops, giving you a better handle on your important device.