DCPET 3540 is a 3.0mil (5.4mil total) double coated PET tape with a differential synthetic rubber adhesive and a 42# coated Kraft paper with a finger-lift edge. this clear, lightweight adhesive offers temporary bonding and repositioning on one side with a permanent adhesive for long-term bonding on the other. DCPET 3540 is perfect for business forms, mailers and envelopes, labels, and advertisements.