Feature:1. Nylon brush, soft and delicate in texture, wear‑resistant, and can clean the cup quickly.2. With a hanging ring, the brushes can be hung and stored, clean and hygienic, convenient and practical.3. Stainless steel brush handle can go deep into the irregularly curved bottle mouth, not easy to break.4. Includes 4 specifications of brushes, which are easy to use and meet different cleaning needs.5. Suitable for cleaning residual stains on the hard‑to‑clean parts of electric kettles, teapots, baby bottles, and vacuum bottles.Specification:Item Type: Bottle BrushMaterial: Stainless Steel + NylonProduct Temperature Resistance: Brush 100℃Weight: Approx. 44g / 1.6ozBrush Part Size: Approx. 20x100mm / 0.8x3.9in, 24x90mm / 0.9x3.5in, 33x105mm / 1.3x4.1in, 8x45mm / 0.3x1.8in.Package List:4 x Bottle BrushNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.