• Patented design featuring a built-in channel that lets you see your breast milk flowing
• Provides reassurance by letting you see your milk flow during moments of uncertainty—whether in the early days of breastfeeding, during cluster or sleepy feeds, while transitioning from bottle to nursing, after clogged ducts or illness disrupts your routine, or when baby starts to feed more efficiently
• *Sizing guarantee: If it’s not the right size or fit, call or email Munchkin, and we’ll help find the right size and send a replacement.
• Thinner and more flexible than the standard nipple shield, Flow is made of soft-touch 100% food-grade silicone, BPA free
• Designed for ultimate skin-to-skin contact and comforts sore nipples
• Effective on all nipple types including flat or inverted nipples
• Award Winner: 2025 NAPPA, Parents’ Picks & Baby Safety Alliance Award of Excellence Winner
• All-in-one starter kit includes Flow nipple shield, storage case that doubles as a steam sterilizer for easy travel & cleaning syringe to keep Flow’s built-in channel clean

• Purchase our Flow Nipple Shield + Bundle
• The Flow Nipple Shield + Bundle comes with two innovative nipple shields, two storage cases, and one cleaning syringe, so you always have one for home and one for on-the-go.
• Purchase our Moms’ Indispensable Lactation Kit
• The Moms’ Indispensable Lactation Kit includes a Silicone Breast Pump for comfortable manual pumping, a Silicone Breast Milk Collector for discreet milk collection, and the Flow Nipple Shield + to support breastfeeding in any setting.

Travel Case: 2.7″ (W) × 1.8″ (L) × 5.7″ (H)
Cleaning Syringe: 2.0″ (W) × 1.4″ (L) × 3.2″ (H)

• Download and print Nipple Measurement Instructions
• Purchase our Nipple Sizing Tool

Cleaning instructions