Please refer to the SR wiki: https://dkn255hz262ypmii.onion.to/wiki/index.php?title=Frequently_Asked_Questions#Why_can.27t_I_cancel_my_order.3F "Once you've placed your an order, your vendor has up to 4 days to either ship it or cancel it. After 4 days, if they haven't shipped, you can cancel it yourself from your orders page. When you cancel, you will immediately be given a full refund."