shopping_cart
Shopping Cart

Looks like your cart is empty. Browse  products to get started.

3 x 18 1/4" White Triangle Mailing Tubes

3" x 18 1/4" White Triangle Mailing Tubes, ECT-32-B corrugated, self-locking one-piece construction. No Tape or adhesive required. Bundle of 50.
  • Dimensions: 3" x 18 1/4" interior
  • Material: White ECT-32-B Corrugated Board
  • Quantity: 50 triangle tubes per bundle
  • Weight: Approximately 0.35 lbs per tube
  • Shipping: Ships via parcel
Stock Number
Pricing
Stock NumberMTM318Pricing
3 x 18 1/4" White Triangle Mailing Tubes
Specifications

Inside Dimensions W x L: 3 x 18 1/4"

Bundle Quantity: 50

Order in Multiples of: 50

Freight Class: 125

Weight: 0.3468 EA

NMFC Code: 29785-5

Ships Parcel: Yes

Description

These 3 x 18-1/4 inch triangle mailing tubes are constructed from ECT-32-B white corrugated board and ship flat to minimize storage footprint. The triangular form folds into shape using integrated locking tabs — no tape, glue, or additional fasteners required for assembly.

The three flat contact surfaces of the triangular profile prevent rolling during transit, making these tubes a reliable choice for posters, blueprints, architectural drawings, fabric rolls, and banners. E-commerce fulfillment centers, print shops, design firms, and retail shipping operations use them for both individual orders and high-volume outbound shipping runs. The white exterior accepts direct printing, custom labeling, and standard shipping labels cleanly.

Tubes are sold in bundles of 50 and ship via parcel carrier. The flat-pack format means bundles stack efficiently in storage until needed, and reordering by the bundle keeps inventory aligned with shipping volume.

We use cookies to provide essential site functionality for the shopping cart, login, and security. We also use third-party cookies for analytics and advertising, which require your consent. You can accept all cookies, customize your preferences, or reject non-essential cookies. See our privacy policy for more details.