Portable Breast pump

Pippeta , works very well, durable and affordable. You also get different inserts for the nipples

As the ladies above have mentioned, I used Pippeta. You buy different flanges for nipple sizes. Also advise checking out @mamasmilk on Instagram. She has a lot of advice around BF and I believe she sells a nipple measuring tool!

I have the elvie portable one that fits in your bra. It's expensive but I found it great and was able to use it to keep pumping after I went back to work.