Quality Park Eco-Friendly Cat Envelopes, Redi-Strip, White, 25 per Carton, (QUA46007) IDEAL: Perfect to store or mail artwork, posters, maps, blueprints or anything else that cannot be folded ENDCAPS: Each tube comes with 2 endcaps included DURABLE: Made from sturdy fiberboard covered with white kraft paper VALUE: 25 mailing tubes and 50 endcaps FEATURES: 25 White Mailing Tubes