Get your message across to package Handlers with Labelmaster red arrows up air labels. Designed to help protect your products from mishandling during shipping, these comply with the requirements in international air transport, ICAO and dot for marking the package orientation on a hazardous materials package. Printed on paper, these labels have outstanding chemical and abrasion resistance, feature strong adhesion to corrugated boxes, and help keep you in regulatory compliance. Red and white, they measure 2 15/16 x 4 1/8 in.