Mobile billboard advertising. We have mobile billboard banner trailers. Our banners are 10 feet Tall by 20 feet Wide. We also sell large format banners from 10 feet to 15 feet in width by any length you wish. fast turn around Call today 864-275-3202 No extra charges or fees. It is always good to deal with a locally owned business. Member of the Greenville and Spartanburg chamber of commerce. Thank you for your interest in affordable mobile advertising.