BCP Green Color Glow In Dark Tape Photoluminescent Adhesive Tape-3/4inches x 5 yards Package included: 1roll 5yards Product size (W x L): 3/4inches x 5 yards Glow in dark, self-adhesive Use for floor, stair tread and risers, decoration, stage performance, etc Noted: Stick the tape close to LED light source/ fluorescent lamp. At night, using a LED light fluorescent lamp Irradiate for 20-30 minute, it will glow In dark about 5-8 hours.