Materials: PP + TPR + 201 stainless steel tube Size: 33.5 x 6cm / 13.07" x 2.34" Color: Black 1. Highly efficient bottle cleaning brush, easily removes stubborn stains from inside water bottles, baby bottles, thermoses, and other containers, leaving no corners untouched. 2. Food-grade, high-temperature, and corrosion-resistant material, reusable, ensuring healthy drinking water for your family. 3. Ergonomic handle design, non-slip and easy to grip, reduces scrubbing effort and is suitable for bottles and cans of all sizes. 4. 360-degree rotating brush head flexibly reaches deep into the corners of bottles. Built-in straw brush on top for a more thorough cleaning, increasing cleaning efficiency by 50%. Package includes: 1/2* 2-in-1 cleaning brushes