4x4, 5x7, 6x10 and 7x12 files. PDF instructions included. You can make these 2 ways, with ribbon ties, elastic, or a suspender clip. Both sets of instructions are attached. These tails are great for imaginative play, photo props, and costumes. 4x4 tail is perfect for 18 inch dolls, 5x7 makes the perfect size for toddlers/small children, 6x10, 7x12 and 8x12 tails fit older children to adults.