Check the listing for details. 200Pcs Shrink Bands, 41*30mm PVC Clear Perforated Shrink Bands. Width: 20", Condition: New. Listed at 13.49 USD. Description:Features: The shrink bands are clear and the added serrated edges are the perfect accent to make it easier for you to open the product. each band measures 41*30mm and comes in a pack of 200 pieces.Material: These shrink wrap bands are made from PVC, crystal clear,the shrink effect is easily achieved. Shrink band tamper security seals seal bands wrap create a strong tamper proof protection seal.Function: These shrink bands are used to provide a seal for bottles, jars, lip gloss tubes, and other packaging containers. Not only making your product stay for a longer time but also help to protect your product, avoid dents and damage to the product.How to Use: Simply place the shrink band over the cap of the bottle, jar, or tube, and apply heat using a heat gun or a hairdryer to shrink the band and create a tight seal.