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Description
Utsurimono Japanese Koi Carp Cyprinus CarpioUtsurimono Japanese Koi Carp Cyprinus Carpio Shiro Utsuri (SHEE roh OOT soo ree) koi have a sumi (black) body with a shiro (white) pattern over the top. The pattern of a Shiro Utsuri koi is often described as a checkerboard with its alternating sections of sumi and shiro. The variety is quite a simple variety compared to, say, a Goshiki but its simplicity is often one of the main attractions. The sumi and shiro provide a beautiful and dramatic
Utsurimono Japanese Koi Carp Cyprinus CarpioShiro Utsuri (SHEE-roh OOT-soo-ree) koi have a sumi (black) body with a shiro (white) pattern over the top. The pattern of a Shiro Utsuri koi is often described as a checkerboard with its alternating sections of sumi and shiro. The variety is quite a simple variety compared to, say, a Goshiki but its simplicity is often one of the main attractions. The sumi and shiro provide a beautiful and dramatic contrast that always stands out and is often visible from quite a distance!
The first Shiro Utsuri koi were bred in the late 1920s, but it is unknown exactly how they were bred and what they were bred from. The most common theory involves the Shiro Bekko koi variety which is a white koi with black patterns as this is the reverse of a Shiro Utsuri koi, which is a black koi with white patterns. However, this is just a theory, and the truth is, and likely always will be, completely unknown! All we do know is that the Shiro Utsuri was first shown to the koi keeping hobby in 1931 and very quickly became a very popular variety with a massively high demand for the variety.
Due to this popularity of the Shiro Utsuri koi and its relative easiness to breed in comparison to the Ki Utsuri and the Hi Utsuri, many breeders have invested a lot of time and effort into refining and improving the Shiro Utsuri variety. Ever since the first generations of Shiro Utsuri koi, breeders have been working to develop and perfect the Shiro Utsuri by improving the quality of the pattern and the colours. Unlike the Hi Utsuri and the Ki Utsuri, a Shiro Utsuri koi can be bred from two Shiro Utsuri parents (breeding two Hi Utsuri or two Ki Utsuri koi results in very poor quality, muddy-looking koi without any of the beautiful Utsuri patterns). Therefore, selective breeding can be used to improve the general quality of this variety. This process involves taking the two nicest parent koi and breeding them to create fry who are generally of equal quality to the parent koi. Some of these fry will be of worse quality than the parents and others will be of higher quality than the parents and these higher quality koi are then chosen to be bred together to create the next generation. This results in each generation being generally higher quality than the previous, thus slowly improving the variety.
These improvements have meant that Shiro Utsuri have become a very competitive koi, often receiving titles and awards at koi shows ever since 1991 when the variety was first entered. In Japan, koi shows are often held indoors, and this means that Shiro Utsuri koi do particularly well because the artificial lighting really makes the contrast of the sumi and shiro colours stand out. However, the Shiro Utsuri were never considered for the biggest prizes or the championship titles because they had one major disadvantage compared to the Gosanke koi and that was size. The Shiro Utsuri is quite a small variety compared to Gosanke and Chagoi koi, with the koi often reaching no more than 90cm in length.
By selectively breeding for size as well as quality, the Omosako koi farm was able to produce the first Shiro Utsuri over 100cm. In fact, this koi then went on to win the championship title at the All-Japan Koi Show in 2013 and became the first Champion Shiro Utsuri. Since then, Omosako have had a very strong presence at koi shows with Shiro Utsuri and are considered to be the best breeder of Shiro Utsuri koi in the world.
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4.4 ★★★★★
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Product Reviews
★★★★★ 5
Good material but bites back
Size: 20 sqft
Very good product for my rear trunk and backseat on my mustang. I would recommend some type of gloves due to the foil itself when placing down will cut up your hands and fingers. Overall good product for its price.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Excellent product high quality.
Size: 36 sqft, Size: 36 sqft
This stuff definitely suprised how easy it was to work with.
Not to mention it sticks very well. Don't put it on anything you may need to get back into. It will take the paint off of a service area. I have a 2018 dodge durango. I just had a aftermarket audio sytem installed. It was rattling so bad it was driving me crazy. I seen this stuff and decided to give it a try.
Its a night and day difference no moore rattling. I box will be enough to do my back gate and all front and rear doors also. For the price you honestly can not beat it. If your on the fence about trying it don't be. You definitely won't regret getting it. Its worth every penny. You don't realize how much something rattling in your vehicle robs you of spund quality. Glad I made the decision. Now off to the other 4 doors. ,and then the roof. One of the things I really like was the fact it has multiple line to help you make even better cuts. Definitely will buy a gen.
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Affordable, Clean and does the job.
Size: 36 sqft, Size: 36 sqft
I consumed about 90% of this box doing all doors and the tailgate on a 2000 tahoe. I applied it very liberally inside every door (exteror) panel. We then added an almost equal amount of deadening/absorbing/decoupling foam to the other side of the door (panel side). If you know how many rattles a circa 2000 tahoe GMT800 can have by now, you can appreciate why I added this as a "must" if i were to put some money back into this vehicle. Best sub $150 spent on this mini resto so far, right next to tint.
Good quality. Not to thick or thin. Good sized sheets. Seamed to deaden as good as another slightly thicker material i recently used in my F250. My box was delivered with no issues of melting or anything funky. Clean, no major smell before or after and easy to work with. Maybe buy a roller set and wear gloves. Save your hands if your doing inside of panels. Good buy. Will buy more for future projects.
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Great product
Size: 36 sqft
Easy to apply, made a big difference in sound deadening on side by side. Would definitely purchase again.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
AS GOOD AS ANY OTHER, WORKS GREAT
Size: 36 sqft, Size: 36 sqft
Used this in my 17 RAM 1500. This stuff works great, just as good as S...ss brand that is also sold on here. Same thickness and same tackiness. And this stuff sticks like crazy, once its laid down and rolled onto the surface, it is hard to remove, so I am pretty sure it will stay where I installed it. It is great value, one box was enough to do the whole roof of the truck with a little left over for small spots. I think it took a total of 2.5 boxes to do my whole crew cab, roof, floor and back wall and most of the firewall, and I also added a layer of their .25" foam. I do notice a difference in less outside noise, from wind and road. I will be doing my wife car soon, and this is the product I will be using again, I recommend this.
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Reviewed in the United States on January 14, 2026