Can multiple promotional offers or coupons be combined? Greg May 03, 2014 02:27 Follow Unfortunately, our system only allows 1 coupon code per order. Related articles Does each unit of contacts purchased come with a free case? Can I return my order? Where do you ship from? Is there product warranty? What restrictions are there to spending CandyCoins and redeeming rewards? Comments 0 comments Please sign in to leave a comment.