Horn, an eco-friendly by-product, is a classical material, its use for luxary items dates back to the middle ages. These 5 piece place settings are timeless and resistant. Cared for gently they will last a life time. Hand wash only, cool water mild detergent. Not dishwasher safe. Tines are 19/10 stainless steel. Made in China. Please allow 4 to 6 weeks for delivery as this item is made to order.