Set Contents: 1. Bottles: 4 (all 240ml) 2. Nipples: (1 unused SS size, 2 unopened S size) 3. Microwave sterilizing case 4. Storage case for breast milk bottles, etc. Breast milk bottles: 2 glass bottles, 1 glass bottle with a shatter-resistant coating, and 1 plastic bottle. All items will be wiped with sterilizing wipes before shipping, but there are minor scratches from use. Please purchase only if you understand that these are used items, as they were used for a child. Thank you for looking.