HD Light transmission technology for clear and bright display to protect your eyes from eyestrain. Imported TPU Material, Ultra-high 9H Hardness, multi-layer structure, strong and durable Japan imported material and HARVES nano-coating technology, excellent resistance performance, highly anti-oil and anti-fingerprint, super smooth and easy to clean, blocking UV effectively, offering perfect protection Military-grade explosion-proof layer plus TPU process treatment enables it to perform the self repair of scratches, specially designed for curved edges to get a seamless fit.