Nb milk bottles

I had a set of 2 (smaller ones) and 2 bigger ones which came together with my philips sterilizer n dryer. 1 from my gynae clinic which they gave me recently and a couple of others which came from samples or goodie bags i tink. 2 from spectra which i use to store milk n keep in fridge (i cant meet the demand of my baby and i pump out into bottles)