Sturdy toothbrushes are made of durable plastic, with rounded Dupont Tynex nylon bristles to ensure safe, effective brushing. Full-length adult-sized toothbrushes are 6 inches long, with a straight handle, allowing for a firm grip. A variety of brightly colored handles brings a little added fun to daily brushing. Hardworking brushes are built to last. Package of 12 includes a variety of colored handles.