The photoluminescent exit signs have rounded corners for safe handling, long lasting life and high performance, the flexible and strong adhesive backing on this exit sign creates a safe and secure bond to any surface, its will not curl or shrink like Stickers. 30 seconds for easy installation. Not included pre-drilled holes or hardware ??Safe Bond Quick Installation?The photoluminescent exit signs have rounded corners for safe handling, long lasting life and high performance, the flexible and strong adhesive backing on this exit sign creates a safe and secure bond to any surface, they stretch and conform easily and remove cleanly without adhesive residue, its will not curl or shrink like Stickers. 30 seconds for easy installation. Not included pre-drilled holes or hardware. ??50 Feet Visibility No Expiration Date?These 12 x 7 Inches sign has red background are visible from up to 50 feet away. The glow in the dark sign does not have an expiration date. They continue to absorb ambient light or sunlight to charge and then release the light every time more than 90min in a darkened environment for over 30 years. ??Free Maintenance Wide Applications? Does not require electrical wiring or battery backup. The photoluminesent exit sign with luminous frame, also meet your safety needs from offices, schools, hospitals, churches, banks and public buildings. It is great for rust resistant, heat and cold resistance. ??Specifications?Durable Tear-resistant PVC |Non Toxic |Scratch Resistant|Long-lasting UV Ink | Strong Adhesive Backing |Luminous Frame|Red Background |12" by 7" size ??Reliable Photoluminescent Exit Sign?SASELUXS photoluminescent exit sign are backed with over 10 years professional team and affordable price for interior installations.We uphold the strict standards for all our products by testing for optimal performance and safety.