LED light blocking stickers, designed to provide total light obstruction and enhance your sleep. These stickers are made for extended use, maintaining their functionality over time. With a diameter, they are suitable for electronics, including routers. Enjoy a restful sleep by adjusting the light levels to your preference. Features - Color: Black -Material:PET - Size: 2.00X2.00X0.10cm/0.79X0.79X0.04in -Diameter:20mm -These stickers are designed to completely block out led lights, ensuring no light interference. -these stickers are built to last, even in damp or humid conditions, providing long-term use and reliability. -these stickers are versatile and can fit a variety of electronic devices, including routers, modems, and other gadgets. -These stickers help adjust light levels to create a more comfortable sleep setting. -offering a generous supply for multiple applications, ensuring you have enough to cover all your needs. Package list: 50 sheets x blackout stickers(20pcs/sheet)