Experience less waste, less mess and the same great performance of GREAT STUFF Foam Sealant with an improved dispensingtechnology and new look. Can be reused, doesn t drip and allows better control. Low-pressure build can help lower energy bills by forming a durable, airtight and water-resistant seal between a window or door frame and its rough opening. Soft & flexible, won't bow window frames, expands and contracts to allow for various weather conditions.