Material: Pole: Stainless Steel Head of Brush: NylonColor: As the pictures showOverall length:Big and Middle :20cm/7.8"Small: 19cm/7.5" Minimum: 10cm/4"Brush Length: As the following picture showsBrush Dia:Big dia: 3cm/1.2"Middle dia: 1.8cm/0.7"Small dia: 1.2cm/0.5"Minimum dia: 0.7cm/0.3"Quantity: 4pcsPackage included: 1 set Clean Brushes (4 sizes)