NUK has developed a range of the best baby bottles to make the transition from breast to bottle feeding easier.NUK First Choice Bottles feature the original NUK orthodontic shaped teat, with extra wide lip support which simulates breast feeding as closely as possible, and the NUK Anti-Colic Air System which minimises infant colic caused by harmful swallowing of air.NUK First Choice bottles are compatible with all First Choice Teats.