Dual hygienic collection system. Includes: (1) Tubing adapter, (2) silicone tubing, (2) adapter caps, (2) silicone diaphragms, (2) 25.0 mm breast flanges, (4) valves, (2) 4 oz. bottles with lock-tight sealing lids. Sterile HygieniKit is without BPA or DEHP.