🍼 Pump smarter, not harder — comfort and fit that keep you flowing!
The Willow Breast Pump Sizing Insert in 19mm is a BPA-free, flexible silicone flange insert designed to optimize comfort and milk output for moms with smaller breast sizes. Compatible with 24mm Willow flanges, it’s reusable, dishwasher safe, and recommended for replacement every 3 months to maintain peak performance. Trusted by over 300,000 moms, it delivers a secure, snug fit for a seamless, hands-free pumping experience.
| ASIN | B09B7WMGGQ |
| Additional Features | Wearable |
| Best Sellers Rank | #26,766 in Baby Products ( See Top 100 in Baby Products ) #158 in Breast Pump Parts |
| Brand | Willow |
| Brand Name | Willow |
| Color | Clear |
| Customer Reviews | 4.7 out of 5 stars 1,388 Reviews |
| Included Components | Breast Flange |
| Included components | Breast Flange |
| Is the item dishwasher safe? | No |
| Manufacturer | Willow |
| Manufacturer Part Number | SZ1964 |
| Material | Silicone |
| Material Type | Silicone |
| Material Type Free | Lead Free |
| Model Name | Willow Inserts |
| Model Number | SZ1964 |
| Number of Items | 1 |
| Operation Mode | Manual |
| Operation mode | Manual |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product Style | Compact |
| Size | 19mm |
| Special features | Wearable |
| UPC | 858298006613 |
| Unit Count | 2 Count |
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