High quality PP material, no assembly required, simply fold-out and place where needed. Has a handle and folds down for easy portability and storage. Slow signs are easy to see during the day or dusk. These yellow signs can be more conspicuous on the road or next to children playing to protect the safety of children. Make sure to spread enough signs at the end of your driveway, in a cul-de-sac, public park, day care center, elementary school parking lot, road, sidewalk, pedestrian crossing, walking path, business parking lot, and more to alert motorists of all types. 11 5/8" L x 8"W x 23 13/16" H