The six bottles on the bottom are 240ml, and the top left two are 160ml. (Only the bottom left three bottles are made of glass.) Five attachments have been used, and one is unopened. I used them in rotation for a year until my child weaned off milk. There are minor scratches from use, so please refrain from purchasing if you are concerned. I will wrap each item in cushioning material and ship via Takkyubin (courier service). Thank you very much! ☺︎