25 Placards/Pack
Comply with P.O.P. requirements from 49CFR part 172.500. Domestic and international shipments by highway, rails and water must be identified.
 
Placards are 10.75" x 10.75" (273mm x 273mm). 
Point-to-point they measure 15.20" x 15.20".
Placards fit into standard plastic or aluminum placard holders (the holders allow you to swap out one placard for another).