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👩🍼 Pump smarter, not harder — comfort and fit that keep you flowing!
The Willow Breast Pump Sizing Insert in 17mm is a BPA-free, flexible silicone accessory designed to improve fit and comfort for moms with smaller breast sizes. Compatible with 24mm Willow flanges, it’s reusable, dishwasher safe, and recommended for replacement every 3 months to ensure peak pumping performance. Join a community of 300,000+ moms who trust Willow for a hands-free, efficient pumping experience.





















| ASIN | B09B7VMH7S |
| ASIN | B09B7VMH7S |
| Additional Features | Portable, Wearable |
| Best Sellers Rank | #24,307 in Baby Products ( See Top 100 in Baby Products ) #144 in Breast Pump Parts |
| Brand Name | Willow |
| Color | Clear |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,373) |
| Customer reviews | 4.7 4.7 out of 5 stars (1,373) |
| Included Components | Flange |
| Is the item dishwasher safe? | No |
| Item Weight | 18 g |
| Item model number | SZ1763 |
| Manufacturer | Willow |
| Manufacturer | Willow |
| Manufacturer Part Number | SZ1763 |
| Material Type | Silicone |
| Material Type Free | Lead Free |
| Model Name | Willow Inserts |
| Model Number | SZ1763 |
| Number of Items | 1 |
| Operation Mode | Manual |
| Power Source | Battery Powered |
| Product Dimensions | 12.7 x 3.81 x 14.48 cm; 18.14 g |
| Size | 17MM |
| UPC | 858298006606 |
| Unit Count | 1.0 Count |
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