Dr Browns Medical SB240-MED Specialty Feeding System Starter Kit Contents: 3x8oz. Bottle Systems Each with Infant-Paced Valve & Level 1 Nipple 2x4oz. Bottle Systems Each with Infant-Paced Valve & Level 1 Nipple 5x Extra Infant-Paced Feeding Valves 5x Level 2 Nipples 2x Storage/Travel Caps 3x Cleaning Brushes Instructions