Dr. Brown's Natural Flow anti-colic, wide-neck 4 oz bottles. Level 1 (slow) nipples. Set of 6 bottles. Dishwasher safe. Includes 2 dishwasher baskets, which fit the lids, nipples, rings, and internal vents of all 6 bottles for easy cleaning (!!!). Bottles may show slight signs of wear and tear. Racks show some signs of discoloration. Please allow up to 5 business days to ship your order.