Thanks for writing in. That's a great question!
Redbubble is committed to ethically-sourced apparel. Only independent third party manufacturers who source high quality garments and value the health and welfare of their staff are permitted to participate in the Redbubble marketplace. All children's products sold through the marketplace are CPSIA compliant. Third party manufacturers hold current Social Compliance Certifications such as W.R.A.P, and commit to the Fair Labor Associations Guiding Principles. All of which ensure safe working conditions, conscientious treatment of workers and focus on minimizing environmental impact.
Hope this clears things up for you! Let us know if you have any other questions.