1.88 in x 22.2 yd (48 mm x 20.3 m). Sticks instantly to any box. Proof o purchase required. 3m stationary and office supplies division. Guaranteed to stay sealed (If your does not stay sealed, 3M will refund the purchase price of this tape). www.ScotchBrand.com. Questions or comments? Call toll-free 1-800-328-6276. Made in USA with globally sourced materials.