Please go to "My Account" to view all your previous orders (you must be signed into your account). From there, you can confirm if you placed a duplicate order or not. If you see a duplicate order, please call Bio Sculpture USA Customer Service at 1(800) 770-4493. Your order can be canceled as long as it has not yet been invoiced or shipped. If duplicate orders have been shipped, obtain the tracking number(s) for the order(s) you do not want and call the shipping carrier to refuse those shipments. You will be refunded in full when those items are returned to Bio Sculpture USA.