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ditch the pads.
try great leak-proof period underwear.

The Seamless Bikini


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absorbs up to 2 tampons' worth
ideal for light flow, discharge, and spotting

about this style
These super comfy panties are perfect for wearing under any outfit — period protection with no panty lines!

look + feel
This style offers full rear coverage and sits comfortably on the hips. Super soft and comfy with a good stretch.

how it fits
True to size. Please see size chart below for reference.

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Buy 3 pairs and save 15%
* Discount will reflect during checkout.

Mix and match any panties on our site — and save $$$!

Size: S

  • S
  • M
  • L
  • XL
  • XXL
  • XXXL

Color: Black

  • Black
  • Beige
Wll not ship until [19041994]
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Buy any 3 pairs and get 15% off! Limited time only.


Period Underwear Seamless Bikini

These seamless undies are made to absorb liquid and wick away moisture. All the protection, but with no panty lines. 

  • Wear for up to 6+ hours
  • Ideal for spotting, discharge, and light flow days
  • Holds up to 2 tampons worth
  • Protects from leaks and stains
  • Odor-neutralizing technology -- no smells!
  • OEKO-Tex certified materials


Lining: 80% Nylon, 20% Spandex
Middle: Cotton, breathable PUL with SilverClear technology
Outer: 80% Nylon, 20% Spandex

The safest and most durable antimicrobial for textiles

Some women use period panties instead of pads and tampons, while some use them for extra protection. Others enjoy using them only at night for a restful, worry-free sleep. 

What are period panties?

Period panties are designed to absorb your period (or pee or sweat) without the need for pads or tampons. They contour to your body and can handle even the most active of lifestyles. From light flows to heavy flows, our underwear will keep you leak-free and protected. They are breathable, absorb moisture, and are more secure than those dreaded pads and tampons! Basically these period panties look and feel like regular underwear --- but with super absorbent power!

AVIVA washable and reusable period underwear is eco-friendly by reducing plastic waste associated with typical feminine care products. 

To take care of your AVIVA undies, simply rinse them in cold water after use and then toss them into your washing machine on cold (it's okay to wash them with your other clothes). Hang dry if possible or tumble dry low. Easy-peasy!

Avoid hot water, fabric softener, or bleach as they can deteriorate the effectiveness of your absorbent period underwear.

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The Seamless Bikini

S / Black
S / Black