Perfect-Sousvide 6RE Pre-cut Twin-layer Reflective Bubble Insulation Kit for Full Size Polycarbonate Pans Energy-saving metalized two-layer reflective/bubble insulation reduces both radiant and conductive heat loss. Cuts energy usage by half @ 150 deg. F. Pre-cut top, bottom an side wrap any full-size (6.5 gal.) 8" deep polycarbonate pans. Can be cut with scissors to fit smaller pans Opening is cut to fit our PSV-6L1 and L2 (hinged) lid's circulator opening but can be trimmed with scissors to fit any brand of circulator. Wrap has velcro fastener for quick and easy application