the cotton string can be made into cotton ball,cotton swabs and other things. the sizes are:3g/m--12g/m As an ISO13485 certificate manufacturer, Jiangsu Ruiyu Hospital Products Co. , Ltd has more than 10 years experience in surgical dressings fields. We have been exporting our products to more than 30 countries, and enjoy a good reputation with our good quality and competitive prices and good credit standing. In order to meet buyers requirement as fully as possible, we can also supply the following items at very reasonable prices. We mainly supply the following items: 1, Abdominal pads(Combine A.B.D pad) . 2, Zig-zag Cotton 3, Cotton Ball. 4. Cotton Wool Roll 5. Cotton gauze roll 6, Cosmetic Pads. 7,Non-woven cotton roll 8,Eye Pad 9,Cotton String 10,Cotton Dental Roll Welcome to your inquiry!