Wrapping Machines wrap a flexible packaging material, (e.g. paper, aluminium, plastic film), around a product or group of products. See PPMA Member Companies who supply a comprehensive range of Wrapping Machines.Shrink Wrap Machine wraps an item in a free sleeve or a loose polyolefin shrink film and heat is used to shrink the film tightly around. Shrink packing machines are very handy when a bulk of goods needs to be shrink-wrapped.