This bag could be yours for FREE! 🤩🤩 We are teaming up with Greatest Ultimate Bag to send one lucky fan a custom Chicago Union bag! To enter the giveaway you must: - Follow gochicagounion and greatestultimatebag - Like this post - Tag two friends in the comments below! Winner to be announced next week! Good luck! *open to US residents only 🇺🇸 #ultimatefrisbee #audl