Manufactured from clear, non-toxic polypropylene, these 10 mL tubes feature external threads to reduce the risk of contamination. Choose graduated tubes, printed every 0.5 mL from 1 to 9 mL with marking area; or plain, non-graduated. Polyethylene closures provide a leakproof closure. Skirted design provides self-standing convenience. Dimensions of tube with cap 84H x 17Dia mm.