*21 icons in total (8 unique icons + 13 variations)

*File format
png files:256x256 , 512x512 pixels size.
psd files:1024x1024 pixels size.
background:transparent

*Notes on psd files
psd files were exported from Paint Tool SAI.
https://www.systemax.jp/ja/sai/ Due to the difference of specification of each software, these may not open properly in other software .
Please note that if you use other software are not supported.