This salt grinder was made in Italy using first quality raw materials. Therefore it is very resistant. The structure is made of BPA free acrylic. The grinder is made of ceramic and the other parts are made of stainless steel and aluminium.
Do not wash it in the dishwasher and do not soak it for a long time, just use a wet rag to wash it.
Do not over tighten the knob on top: this may be bring about cracks on the structure.