Red 1" x 3" individually numbered with a 7/8" tear off receipt 1 part non-residue (peelable) security seal. It is designed to be applied to virtually any surface. The product is designed to show line of site detection without leaving a residue behind. The seal will show a distinct void message once the seal has been activated by peeling or removing the seal from the substrate. Supplied 100/pack or 1000/pack.