Made of natural oak wood , high-quality stainless steel and ceramic rotor, no plastic material, non-corrosive, you can use it safely. Perfect for all types salt and pepper, like sea salt, Himalayan salt, spices, etc. This elegant grinder can be used not only to season food and store spices in kitchens and restaurants, but also for picnics, parties, barbecues and home decorations How to Use Salt and Pepper Grinder