You supply the Spirit Jersey, we supply the handmade magic!
After purchasing, we will send you a shipping label within 48 hours to mail the shirt you would like converted into this deluxe mav pack. We will confirm with you that we received it within 24 hours and discuss fabric placement. 
PLEASE NOTE: For this listing, our 2-3 week turnaround time starts from the day we receive your shirt, not the day of ordering. As always, if you need it by a specific date please let us know and we will work to accommodate it.
The finished dimensions are 9.5 inches tall, 7.5 inches wide and 3.5 inches deep. 
The exterior features two strap connectors so the bag can be worn across either shoulder and a zipper pocket on the back. The interior has a slip pocket.