This Boo Boo Roller will help you pick up those little bits of threads off your fabric. The pink roller has a sticky surface that will not hurt your threads or fabrics. To clean the roller, just rinse with water and let dry. The roller folds for easy storage. Folded it measures 4" x 1.5" x 1.25". When opened fully it is 7.5" long. The roller is 3" long.