MyLO!! I breastfeed and pump for more than a year and I swear by this!! It has 2 openings too so it’s way more hygienic than pouring milk out from where you pour it in.. avoid contamination. https://s.shopee.sg/9KPeiUcJOv
Sunmum. Most value for money that I've found, and it's not some dubious no-brand bag. triple ziplock so tt the bag doesn't burst open when thawing
https://sg.theasianparent.com/best-breast-milk-storage-bags i used farlin & pigeon