T-Tak ™ is a 3.7 mil double coated tissue with synthetic rubber adhesive. It has exceptional holding strength and an aggressive adhesive system. It has a 42# coated kraft paper with finger-lift edge. It provides superior performance on heavier weight papers and light board stocks . T-Tak ™ works well on curved and uneven surfaces. It is perfect for mounting name plates, heavy posters, signs, promotional displays and inventory tags. It is good for permanently sealing poly bags, board envelopes, & cartons.