ALL Costumes $12.99 !! Over 50% Off !! This post may contain affiliate links. Please see the full disclosure policy here. Posted on October 20, 2011 Written by Mary Leave a Comment Orange Onions is offering ALL OF THEIR COSTUMES for ONLY $12.99! Hurry over and check out their selection of girls, boys, toddler, infant, AND adult costumes. Use code COSTUME during checkout.