The nip training bottle set is the perfect choice to easily adapt babies 6 month and up from bottle to cup •With orthodontic spout made of high quality, food contact silicone material and anti-colic vent •ACTIFLEX-system prevents the teat from closing up •Extremely light and unbreakable body •Wide neck for easy filling and cleaning •Screw ring with knob for easy opening and closing •Ergonomic shape of the handle for a secure grip •Training bottles with adventurous gremlin designs