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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
For Your Every Summer RSVP, with Code: SUMMER15
Description
41B17H Type B Heat Treated Sprocket for #41 Roller Chain - 17 Tooth - Pick Your Bore Size41B17H Type B Sprocket, Finished Bore Keyway and 2 Set Screws For #41 Roller Chain 17 Tooth Outside Diameter = 2. 980" Pitch Diameter = 2. 721" LTB = 1" Hub Diameter = 2 15 64" FREE SHIPPING in Lower 48 States Buy 2 or More Type B Sprockets and Take 10% Off at Checkout! Use coupon code: K1E3BE3RHDZC Coupon not for use with Quantity Discount Items.

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 1431 reviews
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Product Reviews
★★★★★ 5
These are a winner!
Color: Caviar PDRN
These are some of the best under eye masks! I have friend about 35 different ones and these are slightly textured so they do not slip as much as a lot of the other ones! They are thin and very hydrating!!
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Favorite mask brand’s great eye patch
Color: Caviar PDRN
Love this - i always loved biodance masks.
It cools down my undereye & definitely helps with eye bag. It stays on skin perfectly. I usually put this on after shower before bed and walk around do my things then remove right before sleeping - it usually thins out a little by then.
Very moisturizing for my under eyes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
FYI These are worth it!
Color: Caviar PDRN, Color: Caviar PDRN
These eye patches are really nice and worth it. I use them mainly on the weekends (when I don’t wear makeup). I wash my face and apply them under my eyes (I have also used them on my neck , forehead, corners of mouth, and between the brows for extra moisture) I leave them on about 30 minutes or more, peel them off, pat in the left over product; and my under-eye area looks a lot brighter and awake! I then apply and complete the rest of my skincare routine. (Under eye serum, face serum, and moisturizer). These patches are also very pretty, they make me feel like a mystical sea creature; think mermaid! My advice is make sure you are in fact using one, they are very thin and transparent and a few times i was actually applying more than one. With that being said there are A LOT of patches in the container.
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Reviewed in the United States on May 24, 2026
★★★★★ 4
Good product.
Color: Caviar PDRN
Good Product.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
🫶🏻
Color: Caviar PDRN
I love these. I put these on every morning when I’m getting ready. Sometimes I’ll even leave them on under sunglasses if I’m just doing school drop off 😆 They don’t slide off, they really help brighten and de-puff my under eyes, they have a cooling effect, unscented, and there’s no irritation. They also help concealer go on super smooth. I recommend!
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Reviewed in the United States on May 18, 2026
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