Plastic poster tubes available blue, green, orange, purple, clear for carrying posters, artwork, drawings and more. Also available are plastic telescoping tubes for carrying posters available in variety of sizes with inside diameters up to 6”. The Alvin ice tubes provide an excellent means of promoting your school or business or to display materials at a trade show. You can easily place a customized label on the tube or tube cap with name and logo. Check out the selection of plastic poster tubes from the colorful plastic ice tubes to the vestal plastic telescoping tubes.