Size:B5) 72x28 Fits (37-43)mm Diameter  |  Colour:Pack of 50 (Black) Sizes As there are many different types and sizes of containers, it is best to measure your SPECIFIC DIAMETER OF THE CAP to ensure you purchase the correct size. B1 (52x28)mm Fits (25-30)mm Cap Diameter B2 (52x55)mm Fits (25-30)mm Cap Diameter (Tall/Long Neck) B3 (62x28)mm Fits (31-36)mm Cap Diameter B4 (62x60)mm Fits (31-36)mm Cap Diameter (Tall/Long Neck) B5 (72x28)mm Fits (37-43)mm Cap Diameter B6 (72x60)mm Fits (37-43)mm Cap Diameter (Tall/Long Neck) FOR OTHER SIZES, please check out JTshop other listing - Clear Plastic Perforated Shrink Band for Jar/Bottle Cap - VARIOUS SIZES How to use 1. slide shrink band over the cap of the container until it rests in place 2. carefully apply heat with a heat gun (hair dryer barely works) 3. move heat source around to ensure the band has been shrunk to a tight fit It probably won't be perfect the first time, it can sometimes take a few attempts to get the hang of it. The band must be torn and removed to open the container, once the band has been removed it cannot be reapplied. Shrink bands provide a fast and easy way to offer your customers a tamper evident product.
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