Studs are approx 1cm.
20% of the proceeds of these earrings will be donated to the Brain Tumor Foundation For Children. The mission of the Brain Tumor Foundation for Children is to provide financial assistance, social support, and information for families of children with brain and spinal cord tumors; fund research projects that improve treatment options and search for a cure; and raise public awareness of the disease and advocate on behalf of children who are affected. For more information about the Brain Tumor Foundation please visit. http://www.braintumorkids.org