Breast milk Storage: Bottle or Bag?

Hello mommies! FTM here and pure BF si LO. Ask ko lang anong marerecommend ninyo na way to store breast milk? Kasi 2 months na akong nagamit ng breast milk storage bags and nanghihinayang ako kasi one time use lang. May alam ba kayong reusable na bags? If not, okay lang ba gumamit ng bottle for storage since eco-friendly? May marerecommend ba kayong brand? Thank you! #breastmilk #storage