High-quality material: The brush heads of both coffee grinder cleaning brushes are made of high-quality pig bristles with moderate hardness, which can effectively remove dirt and residue without leaving scratches, keeping your equipment like new. The handle of the espresso machine cleaning brush is made of high-quality bamboo wood, which is sturdy and . design: The handle of the bamboo wood coffee machine cleaning brush is ergonomically designed, comfortable to hold, and not easy to slip when using. The other espresso machine cleaning brush has two brush heads, the hard bristles are designed to clean small gaps, and the soft bristles can gently remove debris, effectively cleaning every corner and crevice.