MTC Bio Disposable Test Tubes MTC Bio's Disposable Test Tubes are designed to meet the demands of high-volume users. Available as bulk economy cases, the tubes come in polypropylene or crystal clear polystyrene, and plug-type caps can be purchased separately. Durability and reliability are ensured, making it an ideal choice for your laboratory needs. Features: Round Bottoms Non-Sterile Plug Caps Available Separately Resealable Zip Bags Non-Graduated Specifications: Size Description Quantity T1111 3mL12 × 60mm Polystyrene, rimless, no cap, non-sterile,10 bags of 500 tubes per unit 5000 T1121 3mL12 × 60mm Polypropylene, rimless, no cap, non-sterile,10 bags of 500 tubes per unit 5000 T1211 5mL12 × 75mm Polystyrene, rimless, no cap, non-sterile,8 bags of 500 tubes per unit 4000 T1221 5mL12 × 75mm Polypropylene, rimless, no cap, non-sterile,8 bags of 500 tubes per unit 4000 T1411 8mL13 × 100mm Polystyrene, rimless, no cap, non-sterile,10 bags of 300 per unit 3000 T1421 8mL13 × 100mm Polypropylene, rimless, no cap, non-sterile,10 bags of 300 per unit 3000 T1211-C for 12 mm tubes Polyethylene, Cap, plug type, 1000/bag 1000 T1411-C for 13 mm tubes Polyethylene, Cap, plug type, 1000/bag, 20 bags per unit 20,000