FEATURES:Printed for Category B shipments on one side, Exempt shipments on reverse for maximum flexibility and value using minimum inventory space (Patent Pending).System Components:Outer Box OD 9 x 4.25 x 4.25", pre-printed with: Biological Substance, Category B and UN 3373 Marking (Category B Side), Exempt Human/ Animal Specimen Checkbox Markings (Exempt side)STP-151 100 mL Absorbent Strip (1 ea.)STP-710 Disposable 2-Part Secondary Pressure Vessel, Medium (1 ea.)Approximate Capacity*:Max. Secondary Pressure Receptacle(s) (STP-710): 2Max. 10mL Tubes: 20Max. 50mL Centrifuge Tubes: 3Max. 500mL Blood Bag(s): 2