Experience the convenience of our LED light blocking stickers, designed to offer complete light coverage and prevent any light disturbances. These stickers are built to last, providing performance over time. Their size is ideal for a wide range of devices, including routers. Create a comfortable sleep environment by easily managing the light levels in your room. Features - Color: Black -Material:PET - Size: 2.00X2.00X0.10cm/0.79X0.79X0.04in -Diameter:20mm -These stickers are designed to completely block out light, ensuring no light leakage. -These stickers are and can withstand various conditions, ensuring performance. -With a versatile diameter, these stickers can be used on a wide range of electronic devices, providing flexibility and convenience. -By regulating light levels, these stickers help improve sleep quality by minimizing exposure to light during nighttime, promoting a healthier sleep environment. -making it ideal for long-term use and ensuring you have plenty of stickers to meet your needs over time. Package list: 50 sheets x blackout stickers(20pcs/sheet)