Tranesca Tempered Glass Screen Protector for iPod Nano 7th Generation Made from finest Japanese Material with maximum preservation to screen sensitivity and visual light transmittance 9H Glass Surface with specially designed Olephobic coating protects your iPhone from scratches and sharp objects Adhesive layer enables hassle free and easy installation Rainbow Effect Proof,Bubble Elimination Techonology with user friendly installation manual included. Shock Absorption,Scratch Proof;Designed in USA