How to Use the Catch-All Milk Cups: Preventing Leaks and Saving Every Drop
By Willow: Wearable Breast Pump – Willow Pump | Published: 2026-09-10
Category: How-to Guides
Learn how to use Catch-All Milk Cups to collect letdown, prevent leaks, and save every drop of breast milk during nursing and pumping.
Quick answer
Catch-All Milk Cups are soft, silicone cups that sit inside your bra to catch letdown from the opposite breast while you nurse or pump. To use them, position the cup over your nipple, let it collect milk passively, then pour the collected milk into a storage container. They are a simple, hands-free way to prevent leaks and save every drop.
If you're nursing or pumping, you know the frustration of leaking milk from the opposite breast. Those few ounces can add up over a day, and wasting them feels like a loss. Catch-All Milk Cups offer a simple, comfortable solution: they catch letdown passively, so you can save milk without extra pumping effort.
This guide walks you through how to use milk cups effectively, from proper placement to emptying and cleaning. Whether you're a new parent or a seasoned pro, these tips will help you prevent breast milk leaks and make the most of every session.
Why Use Catch-All Milk Cups?
Catch-All Milk Cups are designed for early breastfeeding essentials, helping you collect and store breast milk with ease. They are a practical addition to your pumping routine, offering a convenient way to manage milk on the go. By catching letdown that would otherwise soak your bra or nursing pad, they let you save milk without any extra pumping time.
These cups are especially useful during the early weeks when your milk supply is regulating and letdown can be strong. They are also great for nursing in public or at work, where you might not want to use a full pump. With a little practice, you'll find them an indispensable part of your breastfeeding toolkit.
- Use them on the opposite breast while nursing or pumping to collect letdown.
- They are hands-free, so you can move around comfortably.
- Empty them regularly to avoid overflow and spills.
Choosing the Right Milk Cup Size
Getting the right fit is key to comfort and effectiveness. The cup should cover your nipple and areola without pressing too tightly. If the cup is too small, it may not catch all the milk; if it's too large, it might not stay in place. Most cups, including the Catch-All Milk Cups from Willow Pump, come in a standard size that fits most, but you should check the product description for sizing guidance.
If you're between sizes or unsure, consider trying a sample pack or reaching out to customer support. A well-fitted cup will feel comfortable and stay in place, even when you move around. Remember, the goal is to collect milk passively, so the cup should not cause any pain or discomfort.
- Check the product description for sizing information.
- If you experience discomfort, adjust the position or try a different size.
- A secure fit prevents leaks and ensures the cup stays in place.
Step-by-Step Guide to Using Catch-All Milk Cups
- Prepare the cup: Wash your hands and the cup with soap and warm water. Dry it completely before use. A clean, dry cup ensures the milk stays safe and the cup stays in place. Checkpoint: Make sure the cup is dry to prevent slipping and bacterial growth.
- Position the cup in your bra: Place the cup over your nipple, ensuring it covers the entire areola. The cup should sit snugly inside your bra, with the opening facing upward to catch milk. Adjust your bra so it holds the cup securely. Common mistake: Placing the cup too high or low can cause leaks. Adjust until it feels secure.
- Nurse or pump as usual: Let the cup collect milk passively while you nurse on the other side or pump. You can move around, but try to stay upright to prevent spills. Check the cup periodically to see how much milk has collected. Checkpoint: If the cup is full, empty it to avoid overflow.
- Empty and store the milk: When you're done, carefully remove the cup and pour the milk into a storage container or bottle. You can combine milk from multiple sessions, but make sure to cool it first. Store the milk in the fridge or freezer according to guidelines. Common mistake: Forgetting to cool freshly expressed milk before adding to already-cooled milk. Always follow safe storage practices.
- Clean and dry the cup: After each use, wash the cup with soap and warm water or run it through the dishwasher. Allow it to air dry completely before storing. Proper cleaning prevents bacteria and keeps the cup in good condition. Checkpoint: Store the cup in a clean, dry place to keep it ready for next time.
Products That Help You Save Every Drop
- Catch-All Milk Cups: Designed for early breastfeeding essentials, the Catch-All Milk Cups from Willow Pump help you collect and store breast milk with ease. These cups are a practical addition to your pumping routine, offering a convenient way to manage milk on the go. These cups are specifically designed to catch letdown, so you can save milk that would otherwise be lost. They are easy to use and clean, making them a great choice for busy parents.
- Willow Go® Wearable Breast Pump: Our best-selling pump, powered by innovative ComfortFlowTM technology for more milk output. Customizable hospital-grade suction, app-controlled, and ranked #1 Wearable Breast Pump by Babylist, this top seller is perfect for multitasking moms. If you want to collect more milk actively, the Willow Go lets you pump hands-free while you go about your day. It's a great complement to milk cups for building your stash.
Catch-All Milk Cups are a simple, effective way to prevent leaks and save every drop of breast milk. By following these steps, you can make the most of every nursing and pumping session. Remember to check the fit, empty regularly, and clean properly to keep your cups working well. With a little practice, you'll wonder how you ever managed without them.
