The Rithum <> Poshmark connection will support images up to 25,000 total pixels (5000px x 5000 px).
Welcome to Poshmark's Seller Knowledge Base
Search our Poshmark seller knowledge base for FAQs...
What size image can I use for my images through Rithum?
Rithum Integration
What size image can I use for my images through Rithum?
Last updated on 21 Oct, 2025