DescriptionMade of food grade stainless steel wire. Durable, strong but bristles for cleaning. Perfect tool for any materials of baby pacifier bottles and bottle straws. It has sturdy brush head, reaching the entire inner surface of the straws and pipes for a thorough clean.Features-Color: Random Color-Material: Stainless Steel -Size: 19.50X2.00X0.70cm/7.66X0.79X0.28in-Two sizes per set, small and slender, suitable for the inner wall of round pipe or flat pipe.-Stainless steel, safe and harmless.-No bristle dropping, no rust, easy to use.-Corrosion resistance, more comprehensive cleaning.-Circular mouth design, easy to grasp and storage.