Item DescriptionComplete blank placards with Labelmaster’s Imprinted Number Panels For Blank Placards. Custom-printed panels with your UN number, these number panels are designed to meet 49 CFR 172.332(c) requirements, and may be used domestically as well as internationally. Printed with durable UV inks that retard peeling, chipping and fading, these 100 x 215mm panels are sold in packs of 100.