Made of the highest quality of 18/10 stainless steel, 3mm thick, very durable, and ergonomic. Knives have double serration for a durable sharpness. Enhance your dining experience with this beautiful Italian flatware! 20piece set includes service for four. Hygienic Dishwasher safe; do not wash with rough sponges and abrasive detergents. Item Weight (Lbs.): 3.1 Made in Vietnam Lifetime warranty on manufacturing defects.