Elastic bands set : elastic bands size is about 3/4'' Inch (width)/ 2 yard in length, for your use, the proper length and width will meet your needs of sewing 1 pcs of elastic spool in classic color and 3 Pcs Button , simple color is easy to match with your clothes; Flat design, is comfortable and soft to wear Application: good for edges of waist band, shorts, skirt, maternity wear or kids clothes making, you can adjust the size of pregnant woman clothes, children clothes etc. Flat elastic cord : The item is made of high quality material , durable, strong and soft, of high elasticity. For durable use is convenient and helpful for you to adjust the length as you like, especially for pregnant woman clothes