1.88 in x 800 in (22.2 yd) (48 mm x 20.3 m). With industrial strength adhesive. Heavy duty for rough handling. Guaranteed to stay sealed (If your box does not say sealed, 3M sill refund the purchase price of this tape. Proof of purchase required). www.ScotchBrand.com. Questions or comments? Call toll-free 1-800-328-6276. Made in USA with globally sourced materials.