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ThunderFit Silicone Wedding Ring for Men & Women - 4 Rings / 1 Ring Rubber Engagement Bands - 6.3mm / 5mm / 4mm Wide - 1.65mm Thick

  • Based on 1,464 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Tuesday, Jul 8
Order within 18 hours and 39 minutes
Available payment plans shown during checkout

Color: 4mm - Dark Blue, Dark Green, Dark Grey, Black


Size: 9.5 - 10 (20.20mm)


Department ‏ : ‎ mens


Date First Available ‏ : ‎ May 11, 2020


Manufacturer ‏ : ‎ ThunderFit


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jul 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Great Product and Customer Service
Color: 5mm - 1 Ring - Black Size: 3.5 - 4 (15.30mm)
The women’s Thunder-Fit ring I received was exactly what I expected based on the description on the page. The quality of the silicone ring was soft and a true black color. I was very happy to receive this. The ring was very nice and comfortable to wear. I did have one issue with the ring though, it was just a tad too tight on me. I am about a 4.25 in ring size and I ordered the 3.5 to 4.0. I ordered the smaller size based on previous reviews, thinking that the ring would stretch. After wearing it for a couple days it wasn’t comfortable for me, and it did leave a little bit of a red mark. Instead of waiting too long to see if the ring would stretch out (which it could possibly still do… I just didn’t want to wait too long in case there were exchange or return deadlines), I decided to try to exchange it for a size up (the 4.5 to 5.0). Jodie from Thunder-Fit was wonderful to talk to. I reached out through the Amazon app and she responded within a day of my inquiry to exchange the ring. She actually told me that I didn’t have to send my original ring back. She made arrangements for me to be able to get the ring that was one size bigger. Now I will have two rings to see which one fits me better. This is a great help because if I end up purchasing a ring in a different color, or a spare ring, or if I ever need a replacement ring, I will know for sure which ring size fits me the best. I feel that this was a really great product from a great company that really stands behind their product and is willing to do anything to make their customers happy. There are not many companies that I can say exemplifies these traits. I would definitely buy another product from this company. I would even buy one of their men’s rings, but unfortunately the smallest size is way too big for me. If they ever go as small of a size that fits my approx. 4.25 finger I will for sure buy this style of ring for myself. Now I’m wanting to see what other colors I want to purchase…;P ... show more
Reviewed in the United States on April 5, 2024 by Jane

  • Good quality narrow band.
Color: 4mm - Dark Blue, Dark Green, Dark Grey, ... Size: 13.5 - 14 (23.10mm)
I haven’t worn a ring in over 15 years for several reasons. One I can’t for safety reasons because of my job and hobbies as I like having all 10 fingers. Two I am often work in crop fields so I wouldn’t wear one n those days so I wouldn’t lose it and thus not think to wear it on non work days. Three if I am sitting dow not doing anything it takes extreme effort to to fidget with something and I got tired of being told to stop as when I am an adult. I fidget with pens or whatever is in my pocket without even thinking about it. I don’t like the wide bands over about 6mm(1/4 inch) as it annoys me when I bend my fingers. It is almost impossible to find bands under 7-8mm wide above a size 10. You can’t convince me it is because of strength as I have worked with many O-rings and gaskets that are much larger in diameter but are much narrower. I was then pleasantly surprised when I found these. These are and are good quality. When sizing I will say make sure you pull the paper or string a little snugger than you think you might need to. I measured out to a 4mm wide size 14 on how I have done it before but it was too loose and would catch on my pockets and move constantly. Also after a couple days it stretched just a bit but was noticeable to me. So I ordered a size 13. The size is much better as I barely noticed it after a couple of hours. I didn’t try the size guarantee they offer because I wanted to try the 5mm wide band. I may order a 4mm size 13 after trying this one for a week or 2. I know 1mm is not a lot of difference but it can make a large difference in feel. ... show more
Reviewed in the United States on January 27, 2024 by Matt N

  • Great Purchase
Color: 4mm - Dark Blue, Dark Green, Dark Grey, ... Size: 3.5 - 4 (15.30mm)
I ordered my regular ring size range and it fit perfectly. Excellent to alternative to wear to the gym so expensive jewellery doesn't get damaged.
Reviewed in the United States on March 29, 2024 by Jess Razza-Lindsey Jess Razza-Lindsey

  • Durable and sleek
Color: 4mm - 1 Ring - Black Size: 8.5 - 9 (19.30mm)
Ring is durable and slim. Only complaint is that it runs small. We were able to stretch it on something for a few days before it fit. Also, if it's too small or big the manufacturer will send you a new one no additional charge and you don't have tor return the old one.
Reviewed in the United States on April 6, 2024 by Amazon Customer

  • Close to the size of my actual wedding band
Color: 6.3mm - Dark Blue, Dark Green, Dark Grey... Size: 9.5 - 10 (20.20mm)
I like this band the best of the silicone bands I've seen and tried. This one is closest to the same size as my actual wedding band. The fit is true to the size listed. Wish they had a lighter color. Maybe a light gray ("silver").
Reviewed in the United States on May 6, 2024 by Robert Swanson

  • Excellent
Color: 6.3mm - Dark Blue, Dark Green, Dark Grey... Size: 9.5 - 10 (20.20mm)
Really nice rings. Super flexible and strong, good quality.
Reviewed in the United States on April 7, 2024 by Cindilee Connor

  • More comfy than a hard band
Color: 4mm - 1 Ring - Black Size: 8.5 - 9 (19.30mm)
I like it because I don't feel it as much as my hard ring. And it won't rip my finger off if I get caught on something at work.... allegedly. Man, i sure hope it breaks. That would suck to end up like papaw. He stepped off a ladder, and out came the tendons and meat from his arm and everything. Nasty business if ye ask me. ... show more
Reviewed in the United States on March 2, 2024 by Graham

  • Not the same quality as from their actual website
Color: 5mm - 1 Ring - Black Size: 7.5 - 8 (18.20mm)
These are comfortable and I like the thin silicone look but the ones from amazon don't seem to have the same durability as when ordered from the thunderfit website. I was going through these about every 8-10 weeks, they would get thin and stretch out and either break of fall off. I hit a sale on their website and bought a few directly from thunderfit and I'm still on my first one 6 months in and it has no signs of degradation. ... show more
Reviewed in the United States on January 8, 2024 by Patrick

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