Scotch® Label Protection Tape 821 is a pink, acetate tape commonly used for label protection. It features a low-glare, matte surface for easy barcode scanning. It has a write-on surface that works with markers, pens and pencils. - Scotch label protection tape 821 clear surface of label protection tape keeps vital information easily legible and professional in appearance. It further protects shipping and other info by adhering securely to a wide variety of surfaces.