Under the Hood Sign Set. Red on White background.These large signs are ideal for your front line while helping avoid local sign ordinances. Made of weathproof plastic (5 mil cororplast plastic), each set contains four signs that are 42" tall x 30" wide each. Flexible material allows signs to wedge under any hood while the vehicle's normal hood support is used to support the hood. ***Due to size, this item ships dimensional weight when sent air freight. Shipping charges shown on web site for air freight are incorrect. Please call for air shipping quote.