Yamazaki Signature 7-Inch Triangular Dish The Yamazaki Signature line products are all artistically crafted in 18/10 Stainless Steel. This piece is designed as a sculptural object with elegant simplicity and functional artistry. Each piece is inspected to insure only thefinest quality is shipped to our customers. All Yamazaki products come with a lifetime warrantee against manufacturer's defects. Each piece bears the signature of Yamazaki chairman Etsuji Yamazaki.