【PACKAGE CONTENTS】This straw cleaner brush set includes 8PCS long straw brushes,10 inch length with 2.75 inch nylon bristles and diameters 0.4inch, designed for Stanley cup straw cleaner (20/30/40oz). The straw brush cleaner adapts to deep cups and curved straws effortlessly. 【HIGH QUALITY MATERIALS】Food-grade bottle brushes for cleaning with 304 stainless steel cores. The metal straw cleaner brush is made of PA6 nylon bristles, which are rust proof and BPA free. The stainless steel wire core ensures durability, and the scratch-proof tip design can protect the surface of the object. 【EASY TO USE】Simply rotate the straw cleaner brush 2-3 times to remove residues. Spiral nylon bristles clean 50% faster than regular brushes, perfect for straw brushes for cleaning straws on lids, tube brush in drains, or small bottle brush for tight spaces. 【WIDELY USED】Beyond stanley cup straw cleaning, use as a water bottle cleaner brush for hiking bottles, a glass pipe cleaner for kitchenware, or straw cleaners for silicone tubes. Ideal for home, office use and camping. 【CLEANING METHOD】Fully dishwasher safe for quick sanitation, or rinse with water for cleaning. The bottle cleaner brush and straw cleaning brush retain shape after repeated use. Straw cleaners ensure hygienic maintenance for daily routines.