This is a set of tube cleaning brushes, which are made of high-quality materials, durable and can be used for a long time. Easily clean tight crevices and connection points with the included mask brush.Flexible stainless steel stem to effectively clean hoses of all lengths. The flexible brush is easily coiled for more compact storage. Features -Color: White. -Material:Stainless steel. -Size: About16.00X1.00X1.00cm/6.29X0.39X0.39in. -The bristles gently scrub the interior of the tubing without scratching or piercing the surface. - Easily clean tight crevices and connection points with the included mask brush. - Flexible stainless steel stem to effectively clean hoses of all lengths. The flexible brush is easily coiled for more compact storage. - The small brush is fitted with a small loop to make pulling the brush head through the hose safe and easy. - They are suitable for cleaning breathing machine pipe, kitchen sewer, straws and other items.