Rugged, autoclavable centrifuge tube boxes can be used at temperatures of -90°C to 121°C. Rocks hold 36 each 15ml tubes, or 16 each 50ml tubes, and feature a clear lid for easy identification of contents. Dimensions 5 3/4" x 5 3/4" x 5" (145 x 145 x 130mm). Additional Info: Centrifuge Tube Boxes, Economy, Pp, 15ml Package Size(L x W x H): 12 X 12 X 6 (IN) Categories: Centrifuge Ware, Tubes HTS Code: 3926.90.9910 UNSPSC: 4.11228e+007 Country Of Origin: INDIA