Uolo Shield 3D Full Cover Tempered Glass Screen Protector for Apple watch Series 6, SE, 5 and 4 – 40mm is made of premium 9H ASAHI Glass, an incredibly strong and shatter-proof material at only 0.33mm thickness. High responsive surface with HD clarity and Oleophobic anti-fingerprint coating provides superior user experience. Full screen coverage with colored frame offer comfort in the hand and perfect match to the original Apple watch design.