I measusured my trunk and found out its about 25 sq foot i gota cover only for the trunk lid and the rest of the trunk roof? Will i also have to do the trunk walls aswell:S??? So some times if somthings 20 it will have to be like 35 so i want to know how my dyna or edead ill need im guessing ill grab a 60sq foot back of edead would that bee good enough?