Our LED light blocking stickers are for those who are sensitive to light, these stickers can withstand prolonged use without losing their effectiveness. The diameter makes them versatile for different electronics, ensuring fit. Features - Color: Black -Material:PET - Size: 2.00X2.00X0.10cm/0.79X0.79X0.04in -Diameter:20mm -These stickers are designed to completely block led lights, effectively eliminating light in your living or working space. -Featuring a design, these stickers are built to withstand extended use without wear and tear. -With size, these stickers are ideal for use on routers and other electronic devices, ensuring they are compatible with a wide range of gadgets. -By dimming lights, these stickers help enhance sleep quality, creating a serene and peaceful atmosphere in your bedroom. -This solution includes stickers, making it perfect for extensive applications and ensuring you have plenty of stickers for all your needs. Package list: 50 sheets x blackout stickers(20pcs/sheet)