Description: Environmentally Friendly: These fluorescent stickers are non-radioactive and non-energy consuming, for eco-conscious consumers Excellent Light Storage: This luminous tape provides long-lasting light emission after natural light absorption, lasting over 5 hours in dark areas Natural Light Source: No power supply needed for these luminous strips, utilizing natural light sources efficiently Stage Decorations: stunning visual effects with these safety exit warning stickers, for theater and event decor Cycle of Absorption: These luminous stickers have a continuous cycle of absorption, storage, and emission processes, ensuring reliable performance Specification: Material: PET. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: 2 * Tape