Calling all pumping mamas! These Willow reusable containers are about to make your life so much easier. They hold 4 ounces each and fit completely in your bra with the Willow 360 or 3.0 wearable pumps. No more transferring milk between containers mid-pump! They're BPA-free, dishwasher safe, and super easy to assemble and clean. Just a few simple parts to deal with - because let's be real, when you're dealing with breast milk and a hungry baby, you don't want complicated. They work with Willow 360, 3.0, and even the older Generation 2 pumps. The eco-friendly design means you can pump, pour, and repeat without wasting single-use bags. Over 300,000 moms trust Willow for their pumping needs, and these containers are a big reason why. They recommend replacing pump parts every 3 months to keep everything working perfectly, and these come with a 90-day warranty. Seriously, if you're tired of the corded pump life and want true hands-free freedom, these containers are game-changers. They make pumping on the go actually manageable - whether you're working, chasing other kids, or just trying to have some normalcy back in your life. Your pumping journey just got way more convenient!