I recommend you to add
8x8 tag, if it is 8x8 size
16x16 tag, if it is 16x16 size
32x32 tag, if it is 32x32 size
A downloadable asset pack
This package includes over 2,000 different 1-bit 16x16 tiles.
Perfect for retro style games and prototyping.
Includes a monochrome (black and white) version, plus versions with a transparent background.