You must have encountered a packaging material on cd and dvd, which is mainly composed of olefin or PVC and can be easily bought from the market. This is the so-called \"shrink packaging \". It works by shrinking and wrapping tightly around the package while heating. In addition to cd and dvd, it is also used in a variety of packages such as: 1. soda cans,2. books,3. cartons,4. gift baskets,5. Documents and so on. It is also used to cover and store foods such as meat and vegetables. Wires and even boats can be covered and kept in shrink packaging. Shrink packaging is a viable option for combined packaging. This multi- Use and multi-functional packaging materials follow simple packaging methods that remain the same. It does not depend on the size that needs to be packed. What needs to be done is to measure the film, cover the package with it, and then heat it so that the film will attach to the object. In order to pack small packages at home, you can easily purchase shrink-packed films from any store nearby. All you have to do is measure it according to the size of the package, wrap it up, and then heat it with the help of a hair dryer to make it firmly attached. To pack larger objectsit- My method is not good enough. For larger size packaging, you have to buy shrink packing machine from local market. Earlier, shrink-packing machines were provided only in factories and warehouses, but this is no longer the case. There are already smaller, cheaper alternatives to the heavy and complex ones. You can find two different shrink packing machines in the market, they are not only easy to use, but also very cheap. These are; 1. I- The bar shrink package sealer and 2. L- Shrink packaging closure of bar. If the package or item to be sealed is small or medium in size, then the best option is to use I- Shrink packing box for bar. This machine uses a separate stick to seal the film. The stick is lowered to the film and cut the required surface area and then glued to the package with the help of a hot gun. In the case of a package to be sealed or a larger volume of the item, L- Shrink wrap using bars. Most large enterprises use this machine to shrink packaging. It\'s called L- Bar, because the bar used to cut the film is in the shape of the letter \"L. It uses a hot tunnel to seal the package. There is no doubt that shrink packaging has become an important part of our packaging needs, both on a small scale and on a large scale. With the information given above, decide which shrink packaging machine is best for your needs, and buy one today to solve all your packaging problems.