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Free U.S. standard shipping on orders of $75.00 or more30-day returns

Breast Pump Flange Inserts Sizing Kit, 13-21mm with Nipple Ruler

$52.99

In stock — ready to ship

This 3-in-1 flange sizing kit helps nursing parents find the right breast pump flange size. It includes 10 clear silicone flange inserts, two each in 13mm, 15mm, 17mm, 19mm and 21mm, so you can test different fits with your pump.

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  • Secure checkout
  • Free shipping on orders of $75.00 or more
  • 30-day returns
Product Description

A pink silicone measuring card with openings from 10mm to 30mm lets you check your nipple diameter. Measure from base to base and leave out the areola. A yellow bottle cleaning brush is also included.

The listing says the inserts fit most 24mm flanges. Measure before a pumping session. Each unit is one 3-in-1 kit.

  • 10 silicone flange inserts: 13mm, 15mm, 17mm, 19mm and 21mm, two of each
  • 1 silicone nipple measuring card with a 10mm to 30mm scale
  • 1 bottle cleaning brush
Materials & Care

Follow the care label sewn into the garment.

Size & Fit
Shipping & Returns

Orders are prepared in 1–2 business days and ship within the United States. Standard shipping is free on orders of $75.00 or more; below that it is $6.99.

MethodHandlingTransitTotalCost
Standard1–2 business days5–7 business days6–9 business days$6.99, free on orders of $75.00 or more
Express1–2 business days2–4 business days3–6 business days$12.99
Overnight1–2 business days1–2 business days2–4 business days$24.99

Returns are accepted within 30 days of delivery, with no restocking fee.

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