The blackout stickers are perfect for covering bright indicator electronics, providing a softer, more diffused light. They are easy to apply and remove, making them a convenient solution for anyone looking to reduce light pollution in their home or office. Features - Color: Black -Material:Paper - Size: 3.00X1.00X0.10cm/1.18X0.39X0.04in -Temperature resistant: designed to endure high temperatures, this tape remains effective and adhesive in various environmental conditions -Optimal light blocking: provides light blocking, preventing bright lights from causing discomfort or disrupting sleep -Wide compatibility: perfect for use on air conditioner indicator lights, power lights, and other electronic devices, offering broad applicability -Simple installation: the tape can be easily trimmed to the required size, making it simple to apply and adjust as needed -Reliable performance: this tape offers dependable light blocking and longterm durability Package list: 30 x light blocking stickers