(2 pack) Thinx Teens Cotton Bikini Leakproof Period Underwear, S-XL, Black
(2 pack) Thinx Teens Cotton Bikini Leakproof Period Underwear, S-XL, Black
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(2 pack) Thinx Teens Cotton Bikini Leakproof Period Underwear, S-XL, Black

Key item features

  • Teen Specific: Thinx Teens period underwear is specifically designed to fit teens, offering a classic bikini style made with cozy, flexible cotton.
  • High Absorbency: These super flow period underwear feature an absorbent core layer capable of absorbing up to 12 regular tampons' worth of flow, or 3 regular pads' worth.
  • Leakproof Protection: The LeakSafe barrier provides all-day leakproof protection for up to 12 hours, helping to prevent leaks on clothes and sheets.
  • Odor Control: Reusable period underwear controls odor and wicks moisture, helping teens stay fresh and dry throughout the day.
  • Versatile Use: Can be worn as a total replacement for disposable period products or as a backup to tampons or menstrual cups.
  • Certified Safe: Thinx for Teens period underwear is not made or treated with PFAS and is certified according to OEKO-TEX STANDARD 100.
  • Easy Care: These machine-washable and reusable period panties are designed for simple care; machine wash cold, line dry, and replace after 30 washes.
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Current price is $33.36$16.68/ea
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This item includes:

  • 2-pack of Thinx Teens Cotton Bikini Leakproof Period Underwear, S-XL, Black

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Customer ratings & reviews

4.3 out of 5 stars
stars493 ratings241 reviews
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Reviews summary

Pros

  • : Made to feel like regular underwear.
  • : Provides additional security against leaks.
  • : Prevents leakage and odor with fabric.
  • : Absorbs liquid effectively without added bulk.
  • : Designed to fit comfortably, not too tight.
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Showing 1-3 of 241 reviews

Jun 23, 2025
Melissa
Top Reviewer
Item details
Size: L
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Leak Free

I bought this for my 11 year old daughter. fit her well. she is 88 lbs 5 ft. She wore it during her last cycle, she was comfortable and there was no issues with leaking. It was easy to rinse out and held its shape and material well.

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Jan 12, 2026
SJ
Item details
Size: M
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

1 con- its not easy/convenient to keep track how many times you wash to equate the 30 max. We have 5 pairs, and Thinx is the only brand I'll buy. The security %26 fit are great and they do hold up for at least 30 (60 really) washes(probably a tad more really). I treat these like cloth diapers -utility sink soak/wash with Dawn until water runs clear. Sometimes that takes an overnight soak to unlock all that has been absorbed. FYI: Never let a used pair just sit dirty/dry! Wet=easier rinse %26 odor control stays intact. My daughter noted the leak control immediately decrease %26 I was prompted to ask the very wash following, as suddenly there were fuzzy pils of the absorbent layers breaking down coming through the wearable laye as I pre-rinsedr. Just all of a sudden, thankfully. It held up for a day at school %26 embarrassing mess was avoided, thankfully!

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Feb 23, 2026
Stacey
Top Reviewer
Item details
Size: M
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Sizes run a bit smaller, but a great product.

I bought this fory 13 yr old daughter to try. I was going to get small, but decided a medium. I'm glad I did, but the medium size was tight on my daughter. She is little as it is. These seem to me that they run like two sizes smaller. I'm not sure if or how tight they should be. I know they should hug the skin, but like a second skin? not sure. They do work very well aside from the size issue.

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