Intertape Polymer Group N8218 500 Solvent Natural Rubber, Medium Grade Carton Hand Sealing Tape, 1.9 mil Thick, 100M Length x 72mm Width, Clear, Case of 24 Rolls A workhorse for mailing, shipping, storage and moving! Biaxially-oriented polypropylene (BOPP) film coated with pressure-sensitive solvent natural rubber adhesive for dependable closure of corrugated and linerboard boxes Medium grade natural rubber for medium weight box sealing 1.9 mil thick tape Made in the USA