Paua New Zealand abalone flat inlay blanks heart material mix size approx. 15-30mm (0.6 - 1.18") width x 15 - 30mm (0.6 - 1.18") length x 1mm (0.04) thickness approx. 12 - 18pcs per oz. A grade material - good quality on at least 1 side reverse side may have some worm damage or shell skin on edges.