0.3mm Arc Edge Anti-explosion Tempered Glass Screen Protective Film for Amazon Kindle Paperwhite 4 (2018) This protective film is made from chemically processed real glass, with high transparency and delicate touch feeling. The tempered glass has an oleophobic coating to prevent contaminants. With secure anti-explosion function, it will not be broken into small pieces of sharp. Made from chemically processed real glass High transparency and delicate touch feeling Secure anti-explosion function 0.3mm thickness but strong hardness Smooth arc edge, safe to use Compatible with: Amazon Kindle Paperwhite 4 (2018) Package included: 1 x 0.3mm Arc Edge Tempered Glass Screen Protector Anti-explosion Accessory only, device not included