The bottle is only available as a set. The size is 150ml. / 5 oz.? The screw & cap comes in 3 colours: white, pink and blue.;100% borosilicate glass bottle + 100% natural nipple are BPA-free, phthalate-free & PVC free;Highly hygienic, due to the smooth and non-porous surface;Heat resistant, dishwasher safe (place cap parts on top rack and can be boiled or steam sterilized ( please remove the natural rubber cover when cleaning);The unique HEVEA natural rubber makes it easy to grasp for small hands and works as a breakage preventer if dropped