304 stainless steel - highest grade that lasts a lifetime and never rusts re-usable and re-cyclable. After recyclable - cut down your plastic use and save the earth. Ergonomic design - light weightt and easy to grip. Spill and leak proof - no more mess and waste. Wonderchef products are inspired by Italian design and adhere to German quality standards. They are covered by a reliable warranty t and c apply.