Keeping a white plush white?

Hello! I recently got a white pochacco build a bear, and I love him so much. I am really nervous about him getting dirty. Does anyone have any care tips on how to avoid this/how to clean him when necessary?

Hello! I recently got a white pochacco build a bear, and I love him so much. I am really nervous about him getting dirty. Does anyone have any care tips on how to avoid this/how to clean him when necessary?