The Singer Camouflage Iron-On Repair Kit is great for mending shirts, jeans, skirts, backpacks and many more household items. Each patch is washable and super sealing. Each package contains (4) large 5-inch by 5-inch patches, (4) medium 3-inch by 3-inch patches, and (8) small 2-inch by 3-inch patches. There is also a bonus stencil included for customizing designs.