JC Jennifer C. Reviewed by Jennifer C. Verified Buyer I recommend this product Rated 5 out of 5 Review posted 7 ounce Should be standard in the Willow Go package, get rid of the 5 ounce containers The 5 ounce cups should be phased out of the Willow go. I am an underproducer but even with my 30 mL of production if I lean forward more than about 25-30 degrees they spill into my bra.... these 7 ounce cups fix this issue and allow much more movement. Unless you are stock still at a desk, the 5 ounce cups are useless and you should go ahead and add these 7 ounce cups to your order when you purchase your pump. Loading... Read more Was this helpful? 0 people voted yes 0 people voted no Willow Pump Hi, Jennifer! Thank you for taking the time to review our Go Milk Containers! We value your feedback and will share this with the appropriate team. Happy pumping!