10 - BRAND NEW HEAVY DUTY / CUSTOM MADE CARDBOARD MAILING TUBES - thicker than any tubes sold in stores or at the post office - perfect for mailing posters or your arts & crafts projects! 28 " long x 2 1/4" diameter. plastic end caps included. EXTRA THICK 1/8" HEAVY DUTY CARDBOARD!!! WILL NOT BEND IN THE MAIL SYSTEM (very sturdy). 10 tubes with 20 end caps for $10 firm.