Rearth Ringbo Samsung AT&T Galaxy S2 [Ultimate Clear] Screen Protector Cover Film with SHIPPING(2-3days)+Tracking+Warranty Compatible Model: ONLY Galaxy S2 AT&T SGH-I777, Not working with AT&T Skyrocket, Sprint, T-Mobile Ultimate Clear Hard Coat Treatment Good Surface Hardness: 3H Multi-Layer Optical Enhanced Film with Thickness 0.15 mm Special Silicone Adhesive (Dry Application): No residue, Bubbles, and Liquid Spray