2a) 38 x 52 mm Clear Plastic PERFORATED Shrink Band for Jar/Bottle Cap Fits (16-21) mm Diameter (Long Neck) - VARIOUS SIZES - Pack of 250

• 2a) 38 x 52 mm (Tall/Long Neck) WHEN laid flat, W x H = 38 x 52 mm WHEN opened, Circumference = 76mm, H = 52mm. Compatible Diameter Range = 16-21 mm / 0.63-0.83 inches
• When heat is applied, these bands can be melted over a lid and container to create a tamper-evident plastic seal
• Add a final professional touch to your product, help to keep your product in a sellable condition
• Thickness: 0.04mm, vertical perforated to aid removal, made of PETG, comply with the requirement of environmental protection
• Heat guns shrink these bands fast and efficiently (Hair dryers barely work) . Please CHECK YOUR CAP DIAMETER before you order

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.