• CONTENT: 4 SETS OF NENESUPPLY NATURALFIT NIPPLES, SCREW RINGS & CAPS. Come with Size S, Level 2 Nipples for 1 month babies. BOTTLES NOT INCLUDED, and can be bought separately. COMPATIBLE WITH NENESUPPLY FEEDING BOTTLES & BREASTMILK COLLECTION BOTTLES, AVENT NATURAL BOTTLES, ANTI-COLIC BOTTLES