This set contains twelve 15ml screw top graduated plastic tubes and a brightly colored two tiered test tube stand. Additional Info: Test Tube Rack Set W/ 15ml Plastic Tubes Package Size(L x W x H): 11 X 4 X 3 (IN) Categories: Racks, Test Tube HTS Code: 3926.90.9910 UNSPSC: 4.11228e+007 Country Of Origin: INDIA