Postal Tubes - Extra Strong Quality Cardboard A4 A3 A2 A1 A0 + Plastic End Caps | eBay
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Mini Mail Tub Tote for Small Items - Etsy.de
Amazon.com : White Mail Tubes 1 1/2 X 9-0.060 Thick | Quantity: 50 : Tube Mailers : Office Products
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Kraft Mailing Tubes with End Caps - 4 x 20", .080" thick S-12086 - Uline
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US Postal Service - Have you received mail that was on hold while on vacation in a flat tub (MTE trays) and now it's sitting in your garage? Returning MTE will not