Our LED light blocking stickers are perfect for anyone looking to eliminate light from their electronic devices. Constructed from material, these stickers ensure long-term use. The diameter allows for easy application on various devices. Achieve the setting by controlling the brightness with these effective stickers. 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, ensuring that no light will disturb your space, making them perfect for creating a dark environment. -These stickers are built to last, even in humid or moist conditions, ensuring long-term durability and reliability. -These stickers are compatible with a wide range of electronic devices, making them versatile for various applications. -These stickers help promote better sleep by minimizing nighttime light disruptions. -Providing a generous supply for multiple uses, ensuring you have enough to meet all your needs. Package list: 50 sheets x blackout stickers(20pcs/sheet)