Voucher Not Redeemed

I purchased 2 groupons from colour canvas.<br> I 'redeemed' them but did not place my order as in above mentioned email from supplier, that there is No expiry on receiving my goods. <br> I then tried a couple of weeks ago to redeem my vouchers and place my order, but received the thirsd above mentioned email from them.<br> <br> I expect a full refund on both vouchers, or groupon voucher to that value by the end of the week.<br> Groupon Voucher 1: 069F8CECA6<br> Groupon Voucher 2: 98B9CB6245<br> <br> I have tried several times to contact Colour Canvas, with no luck.