How to make this dissappear?

I made a skin for deer mount but when i test it on my device it appear a white cube like this pic any one knows how to fix it?https://uploads.tapatalk-cdn.com/201...76125c06c7.jpg

我從使用 Tapatalk 的 EML-AL00 發送

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Originally Posted by SHIN

I made a skin for deer mount but when i test it on my device it appear a white cube like this pic any one knows how to fix it?https://uploads.tapatalk-cdn.com/201...76125c06c7.jpg

我從使用 Tapatalk 的 EML-AL00 發送

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Please ensure that the image's background itself is truly transparent.