

More delivery methods in checkout
Return this item within 7 days of purchase.
Get an immediate answer with AI
AI-generated from the text of manufacturer documentation. To verify or get additional information, please contact customer service.
This is a KnowU cotton filler upgrade, designed to be used with silicone breast forms.
It's a bra accessory that adds volume and shape, giving you a fuller look.
This one is size XL, in a neutral beige color that works with most skin tones.
It's brand new with tags, made of cotton, and comes from China.
![]()
Perfect for those who want to customize the fit and feel of their breast forms.

If you already have the breast forms, this filler lets you adjust the size and projection.

Comfortable and easy to insert.

Note: This is just the filler upgrade—you need to purchase the breast forms separately.

4.5 out of 5