Amzer AMZ94903 ShatterProof Screen Guard Protector Shield for Apple iPhone 4/4S - 1 Pack - Retail Packaging - Full Body Coverage Amzer Full Body Coverage Protects Screen, Front, Back, Sides and Edges. Scratch resistant, stress resistant, drop resistant and a has special self healing capability. Its Shock Dissipative Function allows your device to withstand extreme shock and pressure. Virtually indestructible making your iPhone 4/ 4S unbreakable. Easy Installation, No added bulk and improves grip.