Thinx Teens Cotton Bikini Leakproof Period Underwear, S-XL, Black
Thinx Teens Cotton Bikini Leakproof Period Underwear, S-XL, Black
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Thinx Teens Cotton Bikini Leakproof Period Underwear, S-XL, Black

Key item features

  • Teenage Fit: Specifically designed for teens, these Thinx Teens Cotton Bikini Leakproof Period Underwear are available in sizes S-XL, including size 15/16, and come in black.
  • Superior Absorbency: Features an absorbent core layer capable of holding up to 12 regular tampons' worth of flow, or 3 regular pads' worth, providing reliable protection.
  • All-Day Leakproof: Equipped with a LeakSafe barrier, these period panties offer up to 12 hours of leakproof protection, preventing stains on clothes and sheets.
  • Comfortable Fabric: Made from cozy, flexible cotton in a classic bikini style, ensuring comfort and a fresh, dry feeling by controlling odor and wicking moisture.
  • Sustainable Solution: Reusable and machine-washable, these period underwear can replace disposable products or serve as a backup for tampons or menstrual cups.
  • Certified Safe: Thinx Teens period underwear is not made or treated with PFAS and is certified according to OEKO-TEX STANDARD 100.
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Current price is $16.68
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Customer ratings & reviews

4.3 out of 5 stars
stars496 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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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.

Helpful?4FQ3YDR0AFU85083711942
Dec 11, 2025
gema
Item details
Size: XL
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

these make my 12 year old feel super confident I don't have to worry throughout the day. she is also extremely picky, so we have no experience with other brands or anyt. hing to compare them to, but these do wh what they say they're going to do. the absorbency is great. We haven't had any issues

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