1.2 mil polypropylene film tape with synthetic rubber resin adhesive. White with red printed message: IF SEAL IS BROKEN CHECK CONTENTS BEFORE ACCEPTING Conformable backing, edge tear and split resistance. Good adhesion to fiberboard, Complies with the environmental considerations of ASTM D1974. Reliable closure. Printed with, IF SEAL IS BROKEN CHECK CONTENTS BEFORE ACCEPTING. Scotch® Industrial Box Sea