STAGE 1 STRAW : It comes with stage 1 straw(6m+) and weighted kit.
FEED IN ANY POSITION : Let baby drink while holding the cup at any angle with weighted kit.
SOLID TYPE : The ball of weighted kit is made in a monolithic form which is easy to wash and hygienic
6 oz &10 oz : It can be use with 6oz &10oz cups or bottles.
COMPATIBLE : It can be use with other brand wide-neck feeding bottles.