SHRINK WRAP BANDS , Shrinkband Tamper Heat Cellophane Seal 1000 pieces (1 1/2" - 1 3/4" Diameter) Choose from 12 Sizes precut to fit containers, these tamper evident shrink bands are the most cost-effective addition to your packaging solution ensuring the safety of the end consumer. Shrinkband tamper security seals seal bands wrap create a strong tamper proof protection seal. Used on all kinds of packing containers, bottles, jars, cans and much more. Shrinks easily when extreme heat is applied. Shrinks up to 50% of its original size. Determine the size you need, simply measure across the top diameter. All bands are 1 1/8" wide (rim)