Insert products into the heat shrink wrap material of choice. Bags, tubing, and centerfold film are the most popular options.
Seal open ends with a heat sealer. ...
Use a heat gun or heat tunnel to shrink and conform the material to the product.
Shrink wrap is a plastic film that you can wrap around any object, no matter what the size or shape. Heat is then applied to the surface, which causes the plastic to shrink. As it shrinks, it conforms to the shape of your object and seals itself. There are several ways to shrink wrap