ALVIN® Mini Telescoping Plastic Carrying Tube – 21⁄4" I.D.

These telescoping tubes adjust in length from 17" to 30" with a 2¼" inside diameter. Twist-lock adjusts for desired lengths. Made of durable black plastic, tube is water-resistant and ideal for drawings, maps, posters, and more. Features twist-off screw cap in red, blue, or black and adjustable carrying cord.