No : The translucent lid allows you to measure your hits and keep the contents in the bowl instead of on the counter.
rust-proof material: pestle and mortar are made of food grade stainless steel. Not do they resist rust, but they also resist the damage and of acidic foods.
Durable and stable: Made of metal, it feels in your hands and sits securely on your kitchen counter. The padding at the bottom makes it more stable.
Food safety: Because stainless steel does not retain residue or residual odor, it needs to be rinsed thoroughly.
Small grinder, which one person can pick up with one hand, is very easy to use and saves energy.
