Packet contains 5x A4 sheets. Acetate is easily cut with a craft knife or scissors. Create your own stained glass leadlight by using pemanent pen markers to colour stickers on acetate. Stablise 3D layering with peel off stickers and acetate. Acetate is great for shaker cards and also as a "window" layer in scrapbooking and card making. NOT HEAT RESISTANT.