The 57 mm X 90 mm clear shrink bands are sized to fit many different containers including 8 oz plastic woozy bottles and 1 oz plastic boston round. These shrink bands provide an added protection to products by the creation of a tamper-evident seal that will ensure their safety. These shrink bands cause little difficulty when removed because of their single vertical perforation and they can be paired with our heat gun kit for a smooth and even application.