BPA free. Clear View bottles with latex nipple. Simple solutions for your baby. Reduces colic with vented nipple design for less air. No. 1 selling reusable baby bottle in the USA (national brand sales in units). Medium flow 3-hole nipple design ensures smooth flow. Ribs and vent help prevent nipple collapse. Leak proof nipple sealing hood. Fits most breast pumps. Assembled in USA. Nipple made in Brazil.