DescriptionThese softy tip brushes are made of premium and durable materials, safe and odorless, suitable for home and school laboratory use. It is perfect for cleaning labs experimental flask, test tube, baby bottle and more. With creative cotton tip and long stainless steel handle, easy to use and comfortable to grip, with enough quantities for your needs.Features-Color: White. -Material: Stainless steel, nylon, cotton balls. -Size: About 28.00X2.50X2.50cm/11.00X0.98X0.98inch. -With useful design, suitable for cleaning the inner wall of the flask and also for cleaning the bottom of the flask. -Will not scratch the flask and keep the bottle safe and clean, with softy cotton tip design. -Fine workmanship and creative appearance design will ensure its popularity and practicality. -Premium and durable materials make these cleaning brushes very durable and long lasting. -Very comfortable to grip and easy to operate, simple and convenient to cleaning.