The materials of pepper grinders mainly include plastic, glass, stainless steel and ceramic. Different materials have their own advantages and disadvantages:
Plastic: low cost, lightweight, but may not be resistant to high temperatures.
Glass: transparent and beautiful, resistant to high temperatures, but fragile.
Stainless steel: durable, not easy to rust, suitable for long-term use.
Ceramic: wear-resistant, suitable for long-term use, but more expensive