Sidewalk Signs are the perfect, portable promotional signage for all-weather outdoor use. Made of durable plastic, in 3 unique and popular sizes, frames pair with interchangeable 4mm Coroplast inserts. We offer the X-Large frame (24”W x 36”H inserts); Tall frame (18”W x 24”H inserts) or Short frame (24”W x 18”H coroplast inserts).