Satisfy the 4-digit number and HOT marking requirements of 49 CFR, Part 172.325(c) and 172.336(b) with Labelmaster's Hot 3257 Markings. These markings must be used with the worded flammable liquid placard to keep bulk packaging that contains an elevated temperature material in compliance. Highly durable, these rigid vinyl markings are ideal for multiple trips and in harsh weather conditions, and can be used in Slidemaster holders. Measuring 273 x 273mm, these markings are sold in packs of 25 and cases of 500.