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, not easy to deform, and can push 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 like milk stains and tea grime. Soft silicone bristles clean glass, metal, and silicone straws, combining 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 effortlessly clean straight, bent, or narrow straws. 4,Easy to Clean and Dry: The straw brushes are heat-resistant and non-deformable, can be rinsed in water, washed in the dishwasher or sterilised at high temperatures. There is a hanging loop on each brush, easy to hang up to dry and save storage space. 5,Multi-Purpose Use: This straw brush set includes 2 grey silicone brushes (diameters of 6mm and 9mm). Silicone straw cleaner brushes are suitable for straws, drink lids, and narrow containers spout.