MINIMAL EXPANSION, ONE COMPONENT, MOSITURE CURING PU FOAM AND GUN IN ONE. 20 OZ AEROSOL CAN, EASY APPLICATION, EXCELLENT ADHESION TO ALMOST ALL SUBSTRATES, EXCELLENT THERMAL AND ACUSTICAL INSULATION ,NO SHRINKAGE, INTEGRATED GUN SYSTEM, REUSABLE. ONE CAN WILL DO ABOUT 6 TO 10 WINDOWS. This product ships in approximately 3 days