(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

(2 pack) Thinx Teens Cotton Bikini Leakproof Period Underwear, S-XL, Black2 pack Thinx Teens Cotton Bikini Leakproof Period Underwear Size 13 14 Black2 pack Thinx Teens Cotton Bikini Leakproof Period Underwear Size 15 16 BlackThinx Teens Cotton Bikini Leakproof Period Underwear Size 15 16 BlackThinx Teens Cotton Bikini Leakproof Period Underwear Size 11 12 Black2 pack Thinx Teens Cotton Bikini Leakproof Period Underwear Size 9 10 BlackThinx Teens Cotton Bikini Leakproof Period Underwear Size 9 10 Black2 pack Thinx Teens Cotton Bikini Leakproof Period Underwear Size 11 12 BlackThinx Teens Cotton Bikini Leakproof Period Underwear Size 13 14 Black
SizeL
Multipack Quantity2

Key item features

  • Teen Specific Design: Thinx Teens period underwear is specifically designed to fit teens, offering a classic bikini style made with cozy, flexible cotton.
  • Exceptional 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 undies prevent leaks for up to 12 hours, ensuring clothes and sheets stay protected.
  • Odor & Moisture Control: The reusable period underwear controls odor and wicks moisture away, helping teens maintain a fresh and dry feeling throughout the day.
  • Versatile Usage Options: Can be used as a complete replacement for disposable period products or as a dependable backup to tampons or menstrual cups.
  • Certified Safe Material: Not made or treated with PFAS and certified according to OEKO-TEX STANDARD 100, ensuring a safe product for teens.
  • Easy Care Reusability: Machine-washable and reusable, simply wash on cold and line dry for repeated use, offering peace of mind cycle after cycle.
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Current price is $33.36$16.68/ea
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  • 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
stars
525 ratings244 reviews
How item rating is calculated
  1. 5 stars70% (368)
  2. 4 stars13% (70)
  3. 3 stars5% (27)
  4. 2 stars4% (19)
  5. 1 star8% (41)

Reviews summary

Pros

  • : Made to feel like regular underwear.
  • : Can be washed with no issues.
  • : Absorbs liquid effectively without added bulk.
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Showing 1-3 of 244 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.

Helpful?4FQ3YDR0AFU813386160323
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

Helpful?4FQ3YDR0AFU813386160323
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!

Helpful?4FQ3YDR0AFU813386160323