Product Specification:
Material: stainless steel, nylon.
Total length: 21cm/8.27".
10 different sizes of nylon bristles(diameter x length): 1/8"x1.57"(3x40mm), 13/64"x1.57"(5x40mm), 9/32"x1.57"(7x40mm), 23/64"x1.97"(9x50mm), 15/32"x1.97"(12x50mm), 19/32"x1.97"(15x50mm), 5/8"x1.97"(16x50mm), 3/4"x1.97"(19x50mm), 25/32"x1.97"(20x50mm), and 63/64"x1.97"(25x50mm).
Package contains: 1 set of straw cleaner brushes, each set includes 10 different sizes of straw brushes.

Advantages of straw cleaner brushes:
1. The long straw cleaner brushes are made of durable stainless steel and nylon materials. The stainless steel handle is durable, rust-resistant, and wear-resistant, which provides a sturdy grip for effective cleaning. And the nylon bristles are flexible and strong enough to scrub away residue and buildup.
2. The stainless steel pipe brush is designed with spiral bristles and a long handle to touch the inside of the container better and clean more thoroughly, especially good for cleaning crevices and blind corners. The end of the brush has a plastic coating to prevent scratches.
3. These bottle-cleaning brushes contain a removable key ring for carrying and storage. When cleaning is complete, you can reattach the test tube brush to the key ring, and hang it to dry.
4. The straw cleaner brush set is designed to effectively clean various types of straws, bottles, tubes, or cups, such as feeding bottles, drinking straws, test tubes, hummingbird feeders, coffee machines, sink pipes, beakers, milk bottles, water tubes, etc. Also, you can use a suitable tube cleaner brush to clean the lean finer items.