Astroseal IISealer and Shrink Tunnel Combined In One Great Package The Astroseal II shrink wrapping system increases production by using a shrink tunnel rather than a labor intensive shrink gun to produce glistening shrink wrap packages. We combined an Astroseal shrink system with our hard working shrink tunnel to help you produce 100's of shrink wrapped packages with far less effort. In just seconds your packages can be sealed in film, placed on the moving