THE NULLPACK Biodegradable Eco-Friendly Kraft Paper Tape Water-Activated Tape Plant Based Gum Tape Self Adhesive 1 Roll Eco-friendly and biodegradable paper made tape with plant based glue 2 types of paper tapes available 1) Kraft Tape - is kraft paper tape with self-adhesive glue, no need to use water to activate it. Come in 2 sizes: 48mm x 50meter 60mm x 50meter 2) Water-activated Tape - is kraft paper with gum, requires water to make it adhesive. Come is 4 sizes 48mm x 50meter 48mm x 100meter 60mm x 50meter 60mm x 100meter Width size measurement error: +/- 2-5mmm Both tapes adhesiveness are strong. Leave trace on box if it were opened during the delivery Secure your parcel and environmental friendly make it a good option to replace commonly use opp tape.