Tommee Tippee Closer to Nature Added Cereal Bottle is uniquely designed for babies with reflux or to improve sleep. The silicone nipple has a Y-cut at the end (rather than traditional holes), allowing thickened formula or breastmilk to flow without clumping. As with the entire range, the shape and feel offers easy latch-on so baby can easily switch between breast and bottle feeding while a super-sensitive valve helps reduce gas and discomfort when feeding. Contains base, nipple, screw ring and cover. For babies 6M+ or as recommended by a pediatrician Y-cut Nipple to accommodate thickened formula 11oz. base for larger volumes and older infant feeds silicone nipple mimics natural latch, flex and movement of breastfeeding integrated easi-vent that prevents air ingestion, which can lead to colic, gas and fussiness BPA and phthalate free