Heat Shrink Sleeve Tunnel for whole bottle with Conveyor Model TUN1230 by JORESTECH®. 4, More Coming Soon. Quick view. Compact Shrink Wrap Heat Tunnel 12" x 15" Model TUN4535H by JORESTECH®. 1, Add to cart. Quick view. Compact Shrink Wrap Heat Tunnel 9" x 15" Model TUN4525H by JORESTECH®.