★★★★★ 5
Very good
Color: B/B/B/B
Very good quality prints
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Reviewed in the United States on October 23, 2023
Rage Against the MLThe model was supposed to improve accuracy. After six weeks of feature engineering, hyperparameter tuning, and a complete rebuild of the training pipeline, it is marginally better than the previous model on the validation set and noticeably worse on the data it sees in production. The loss curve was beautiful. The deployment is not going well. This shirt is for data scientists who've explained gradient descent to a product manager, ML engineers who've
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4.4 ★★★★★
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Product Reviews
★★★★★ 2
Not true EcoTank-style compatibility with ET-15000 refill ports
Color: B/B/B/B, Color: B/B/B/B
I previously purchased the full Hiipoo sublimation ink set for my Epson ET-15000 and had a great experience. Those bottles included the correct EcoTank-style keyed refill tips that insert directly into the printer’s tank ports and allow clean, gravity-fed filling.
Because the black tank gets used faster, I later ordered the black refill bottle separately. Unfortunately, this bottle does not include the keyed EcoTank nozzle. Instead, it comes with a pointed tip and syringes for manual transfer.
The syringes also do not fit the ET-15000 refill opening, which is designed for the keyed gravity-fill system. As a result, I had to attempt a manual pour and ended up with ink spilling around the tank area.
The ink itself has worked well for me in the past and I like the Hiipoo brand overall, but this refill bottle is not directly compatible with the ET-15000 the same way the original set was. Buyers expecting the same refill experience should be aware of this difference.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Super efficient Sublimation tumbler
I bought this when I started sublimation. I absolutely love the material and it last which is the best part. It is super easy to use and if you know the right temperature it wont leak the color.
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Reviewed in the United States on March 5, 2026
★★★★★ 5
My favorite for sublimation
My go to brand for sublimation, everytime. You can't go wrong. Great quality tumblers. They will hold ice longer than any other off brand I've tried. Rims won't leak as long as you have them on correctly.
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Reviewed in the United States on June 15, 2025
★★★★★ 5
Great sublimation tumblers
Great quality and best value for your money sublimation tumblers. Easy to use and clean. They keep drinks cold and make the perfect gift. Perfect size
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Reviewed in the United States on March 28, 2025
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