Specifications: 1) 5es: polished, 15, flamed, bush hammered, or customized 2) Dimensions: 12" x 12" x 3/10"(305 x 305 x 8mm) 12" x 12" x 3/8" (305 x 305 x 10mm) 12" x 12" x 1/2" (305 x 305 x 12mm) 18" x 18" x 1/2" (457 x 457 x 12mm) We also make the other sizes according to customers' requirements. 3)30: 0 should be packed with plastic film, then set in wooden bundle.