1. Premium Material: The straw cleaner brush is made of food-grade silicone, ensuring gentle cleaning without damaging straw interiors. Its stainless steel core provides support, good resilience, and resistance to deformation, allowing the brush head to move flexibly. 2. Deep Cleaning Power: The straw cleaning brush features dense spiral bristles that reach deep into straws, removing tough residue such as milk stains and tea grime. Soft silicone bristles effectively clean glass, metal, and silicone straws, offering thorough cleaning with gentle care. 3. Anti-Slip Ergonomic Handle: The extended non-slip handle is ergonomically designed, and the fine, soft brush head fits most straw diameters, making it easy to clean straight, bent, or narrow straws with minimal effort. 4. Easy to Clean and Dry: The straw brushes are heat-resistant and non-deformable, can be rinsed under water, washed in the dishwasher, or sterilized at high temperatures. Each brush includes a hanging loop for convenient drying and space-saving storage. 5. Multi-Purpose Use: This straw brush set includes 2 grey silicone brushes with diameters of 6mm and 9mm. These silicone straw cleaner brushes are suitable for cleaning straws, drink lids, and narrow container spouts.