If your order hasn’t been shipped, you may cancel it online through PC website. Click on “My Orders” choosing cancel order. Or please contact customer service for help. If your order has been shipped, You may contact UPS (8007425877) to hold the package in the UPS access point. After 5 business days, package will be returned to Yami automatically. When the logistics system shows as 'return to sender', please contact customer service to process a refund.