●The 4-piece bottle cleaning brush set includes a 15 inch sports water bottle brush, a 15 inch beer bottle cleaning brush, a 10.6 inch pipe cleaning brush and a 5 inch spout cleaning brush. ●The 15 inch long bottle brush is designed to reach the bottom of your bottle and clean the entire interior. The cleaning brush for water bottles is made of high-quality stainless steel and durable nylon material. ●The full bristles of the 15 inch all-round bottle brush allow 360 degree cleaning. Whether turned clockwise or counterclockwise, our water bottle cleaning brush cleans quickly. ●The 10.6 inch long pipe cleaning brush is perfect for cleaning straws, pipes, hoses and other hard to reach areas. And the 6.7-8.7 inch long straw brush and 5 inch long spout cleaning brush are great for cleaning straws and pourers of all sizes. ●These brushes are made of food-safe materials and can be safely used to clean baby bottles, water bottles, wine bottles and much more. Get this AUMEEKO 7-piece bottle cleaning brush set and keep your bottles and straws clean and hygienic.