3-in-1 Flange Sizing Kit, 10 Silicone Inserts 13–21mm
4.6 (2,269)
Our best-loved kit: two inserts in each of five sizes, a silicone ruler and a sponge brush.
7 colours
$9.99
Five sizes, one ruler, no guessing
Flange Sizing Kits
Every kit here turns a standard 24mm shield into the size you actually measure: soft silicone inserts from 13 to 21mm, a nipple ruler and a little brush, packed in the colours of our nook.
6 products on this shelf
Flange Sizing Kit, 8 Inserts 15–21mm
5.0 (8)
The same soft inserts without the smallest size: two each of 15, 17, 19 and 21mm.
$14.99
IBCLC-Developed Flange Sizing Kit, 10 or 13 Pack
4.6 (420)
Our newest kit, with a precision ruler and a guide for tracking size changes over the months.
2 packs
from $9.99
Flange Inserts 10 PCS for 24mm Shields, 13–21mm
4.6 (2,267)
The original Nursi Luna insert set that started it all, with ruler and sponge brush.
$9.99
Flange Sizing Kit with 60 Breast Milk Storage Bags
4.3 (17)
Ten inserts and a ruler, plus 60 storage bags for everything the right fit brings out.
$14.99
Breastfeeding Starter Kit: Flange Inserts, Ruler & 50 Nursing Pads
4.1 (17)
Inserts in five sizes, a silicone ruler and 50 individually wrapped disposable nursing pads.
$19.99
Side by side
| Product | What’s inside | Fits / use | Price today |
|---|---|---|---|
| 3-in-1 Flange Sizing Kit, 10 Silicone Inserts 13–21mm | 10 (2 × 13/15/17/19/21mm) | Most 24mm shields | $9.99 |
| Flange Sizing Kit, 8 Inserts 15–21mm | 8 (2 × 15/17/19/21mm) | Most 24mm shields | $14.99 |
| IBCLC-Developed Flange Sizing Kit, 10 or 13 Pack | 13/15/17/19/21mm | 24mm shields (not 27–28mm) | $9.99 |
| Flange Inserts 10 PCS for 24mm Shields, 13–21mm | 10 | Most 24mm shields | $9.99 |
| Flange Sizing Kit with 60 Breast Milk Storage Bags | 10 (13–21mm) | Most 24mm shields | $14.99 |
| Breastfeeding Starter Kit: Flange Inserts, Ruler & 50 Nursing Pads | 10 (13–21mm) | Most 24mm shields | $19.99 |
Prices are set by the store and may have changed since this page was built.