It is compacted by machine and has high compressive strength. The paper is twisted in a spiral shape to improve the resistance to compression and cracking. It maximizes the integrity and neatness of irregularly shaped objects.
Kraft Tubes, Kraft Mailing Tubes in Stock - ULINE
Heavy Duty Cardboard Tubes FOR SALE! - PicClick UK
Stockroom Plus 12-Pack Mailing Tubes with Caps, Canada
Heavy-Duty Kraft Mailing Tubes
4 x 36 Heavy-Duty Kraft Tube (12/Case) - ProgressivePP
Office Depot Brand White Mailing Tubes With Plastic Endcaps 2 x 18
Mailing Tubes Cardboard Shipping & Mailing Tubes in Different
Economical crimped end mailing tubes seal by pinching the ends Tubes are fast and easy to close and stay closed - no need for tape Ends open easily
Aviditi Snap Seal Kraft Mailing Tubes, 3 x 15 Inches, Pack of 24, for Shipping, Storing, Mailing, and Protecting Documents, Blueprints and Posters
Kraft Mailing Tubes with End Caps - 3 x 18, .070 Thick - ULINE - Carton of 25 - S-2642