TechPro Premium ShatterProof Crystalline Tempered Glass Screen Protection For Samsung Galaxy S3 (Mini) - 8-9H Hardness. 0.4mm Thin. Rounded Edges. (Not compatible with the standard Galaxy S3) Glass so clear you won't notice you have a screen protector. There are no gaps between LCD and the glass screen protector. Compatible With Galaxy S3 (Mini) Does Not Fit Standard Galaxy S3 Hard coated scratch proof 8-9H. Easy to attach At 0.4mm slimness it does not add any bulk to your phone.