Well to start i dont have paypal im 17.I was wondering if some one could help me design a box that fits two 12" type rs.the dimensions i have to work with are 39w,31d,16h it can be smaller it just needs to fit the 4.5 @35its going in the back of a 2 door blazer i proboly need it to be the full width(39") so i can sucure it well if you can