Replacement screw cap for Medela brand SpecialNeeds bottle, specially developed for babies who are not able to create a vacuum due to syndromes and neurological disorders, cleft lip or cleft palate. It can be used with nipples of two different sizes in the 150ml and 250ml bottles. It has an anti-spill safety system and a hole to insert the nipple. It is easy to change and clean. It does not contain BPA or toxic materials for babies.