Backed by 60 years of research on baby’s natural suckling motion, our SofTouch™ nursing bottles is the best and closest you can get to moms, tested and approved by more than 1 million babies worldwide. Moms have 99 other problems but nipple confusion ain’t gonna be one of it! The real simulation of the latching allows combining breast and bottle feeding to be possible. Anti-colic as our specialized technology of Air Ventilation System (AVS) reduces intake of gas, a potential cause of colic. Made with PP material (Polypropylene), this range is durable and light-weight.