Breast milk collector

Sam • Momma to 2 girls Brooklyn 2/20/16 💜 London 7/10/17 💜 Rainbow baby due October 8th 2021 🌈💗😭 Angel babies 5/2020 & 1/2015👼🏻👼🏻

So I breastfed my last daughter and looking ahead for this baby! Has anyone tried these? I would love to not waste breastmilk lol if not this one anyone have similar recommendations?