Best in 7 days
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Description
3M Cloth Belt 361F, P240 XF-weight, 4 in x 168 in, Film-lok, Single-flexGeneral Information Brand 3M Bond Type Resin Flex Type Single flex Splice Type Film lok Country Of Origin United States Sold As Case California Residents Proposition 65 Warning Dimensions and Specifications Backing Weight XF Weight Grit P240 Overall Length (Imperial) 168 in Overall Length (Metric) 4267. 2 mm Overall Width (Imperial) 4 in Overall Width (Metric) 101. 6 mm Micron Grade Non Pertinent Width 14. 01 in 35. 59 cm Height 9. 2 in 23. 37 cm
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- Free Standard Shipping on $100+ Orders to the USA.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
![Keldeo ex (167/086) [Scarlet & Violet: White Flare]](https://cdn.shopify.com/s/files/1/0909/2949/6345/files/642284.jpg?v=1759788902)
4.4 ★★★★★
Based on 2484 reviews
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Product Reviews
★★★★★ 5
Really works!
Size: 40 Count (Pack of 1), Size: 40 Count (Pack of 1)
I used this product faithfully and it worked!my teeth got brighter, and whiter I wish I could have taken a before and after.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Truly see the difference
Size: 40 Count (Pack of 1)
Works amazingly. Definitely worth it.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
The strips work great!
Size: 40 Count (Pack of 1)
It's a great product that works. I left the strips on for 2 hours. And my teeth were so white, I decided not to use the light. I drink 3-4 cups of strong coffee everyday, and they are still really white (after one application over two weeks ago). My gums were a little sensitive after 2 hours, but that only lasted a few hours after usage. Just be aware if you leave on more than 60 minutes. Then brush and rinse really good. I use their "brilliance" tooth paste as well.
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Reviewed in the United States on June 16, 2025
★★★★★ 4
DOOOO IT (see before & after pics)
Size: 40 Count (Pack of 1), Size: 40 Count (Pack of 1)
My dentist actually recommended this in contrast to the products offered in office! So I had to try. I was especially interested in a whitening system that would not sacrifice effectiveness for gum sensitivity. Not only could I see instant improvement, but I had no gum irritation whatsoever, not even next day. So that's the two big things that exceeded expectation. A few drawbacks though - (1) Instructions were unclear as to how long to leave the light on, & I didn't realize until after mixed Internet recommendations & testing it out blindly that it automatically times out after a few minutes; (2) the product unfortunately outlasts the light's battery life, so I had to find a $16 replacement LED on Ebay, & (3) the adhesive will strip your dental work fyi. Not cool, but still overall beneficial as a whitener & hundreds cheaper than true, professional whitening. BTW this before and after were taken within a month of each other.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Amazing transformation!!
Size: 40 Count (Pack of 1), Size: 40 Count (Pack of 1)
I hardly ever write reviews, but this product has transformed my life. And imonly on the forth day. After the first day it removed so much of my yellow stains. I can't even think about how white my teeth will be when I finish. I called my dentist to see how much it would be to whiten my teeth and she said $500. Are you kidding me? So I ended up trying these white strips instead. I'm so happy with the results after only a few days!! The first picture is the start, then after using the strips 1 time, then after using the strips 3 times. I had to come and post a review immediately. The pictures speak for themselves. And not to mention that I usually have sensitive teeth. So far my teeth don't hurt while using. I will definitely use this product every year. Thanks Crest!!
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Reviewed in the United States on April 10, 2026
![Zapdos (29/83) [XY: Generations]](https://cdn.shopify.com/s/files/1/0934/9817/9716/files/zapdos-29-83-xy-generations-lightning-holo-rare-pokemon-card.png?v=1764632487)
