To ask for a refund you must receive an RMA (Return Authorization). Requests have to be manufactured online and submitted with all your purchase details. If you return your product without a RMA range you won't be refunded. Shipping and handling rates are non-refundable. For returns by way of mail, https://andrevjvhx.wizzardsblog.com/33190119/new-step-by-step-map-for-sleeping-aid-equipment