Did you know that the shrink banding used as a sealant on prescriptions and personal care items like toothpaste is itself a kind of shrink wrap? What about the polypropylene shrink sheets that safeguard produce like kale and broccoli during grocery store transport? Or the plastic coverings that you can shrink over bottles of condiments like ketchup and mayonnaise? There are also industrial shrink wraps, which are often used to protect boats from the elements during the colder months. .like the electrical shrink wrap used to secure and insulate cables.