photos not printed within agreed time

I bought 2 groupon vouchers and sent the to mojo printing for canvas photos,it was promised that photos will be ready within 10 working days,its now 17days and still didn get any update or form of communication from mojo. They are not even replying my emails. I wil be going back overseas in 3days time and i have no idea whats going to happen to my photos because they not communicating with me. I am officially frustrated