It is hygienic as it can be boiled to disinfect.
Total length x diameter x bristle length: 9.8 x 1.6 x 2.0 inches (250 x 40 x 50 mm)
Material: Wool: Nylon, PE core: Steel wire (PE coating)
Heat resistance: Approx. 248°F (120°C).
Can be disinfected with boiling water.