Xcut A4 Quick Release Foam Helps prevent a build up of excess paper left in detailed dies after use. Simply peel away the backing paper and insert the die (blade facing the tacky side of the foam). Then run though a die-cutting machine to adhere the foam in areas where paper would otherwise be, thus creating a foam backed die. Use as normal. Xcut-A4 Quick Release Foam. Quick Release Foam help prevents build up of excess paper left in detailed dies and means you do not have to spend time getting all the pieces out. This 13-3/4×8-3/4 inch package contains one A4 quick release foam. Imported.