Fabric fuse produces an instant bond without sewing. The double-stick adhesive can be used to adhere any sort of badge, patch, applique, or fabric shape. The process is external. Just remove the paper liner to expose the adhesive layer, apply the item to be attached, and remove the remaining paper liner to adhere the item to the fabric.Each sheet measures 4 3/4 in. x 5 in. (10.8 cm x 12.7 cm).