You can post as many pictures as you would like for free.
Generally, items with more pictures seem to be more popular.
The formats we support are jpeg, png, gif, and the maximum file size is 20MB per file.
ALLSTOCKER Customer Support
Phone (9:00am-6:00pm JST):
0120-070605 (from Japan)
+81-3-5847-8994 (from the outside of Japan)