Deli A4 D-Mechanism Ring Binder, 2-Ring, 28 mm Capacity, Secure Filing, Document Organizer, Ideal for Office Use

D-profile rings deform less when flipping pages, keeping sheets flatter and reducing creases for easier reading.

A4 format (210 x 297 mm), 2-ring D-profile mechanism, 28 mm ring capacity, smooth latch for easy opening and closing, available in assorted colors, slim spine for shelf efficiency.

Reports, manuals, project packets, course packs, handouts and other medium-size document sets that fit an A4 sheet and up to 28 mm of rings.

Open the rings with the smooth latch, insert your sheets and protectors in the desired order, then close the rings securely. Use dividers or color-coded inserts if you want to separate sections.

The rings are 28 mm in diameter, which defines the capacity. For planning, use standard A4 sheets with typical thickness; the binder will hold up to its 28 mm capacity.

Yes, the binder is offered in assorted colors to help code by subject, department or team.

Yes, it’s designed for everyday handling with a sturdy cover and smooth-latch rings to withstand frequent opening, closing and shelving.

It uses a D-profile two-ring mechanism for flatter pages and cleaner turning, plus a 28 mm capacity and slim spine. For a closer comparison, see the Deli A4 2-Ring Binder options with different capacities on Fepy.

Deli A4 D-Mechanism Ring Binder, 2-Ring, 25 mm Capacity: https://fepy.com/product/deli-a4-d-mechanism-ring-binder-2-ring-25-mm-capacity; Deli A4 D-Mechanism Ring Binder, 2-Ring, 35 mm Capacity: https://fepy.com/product/deli-a4-d-mechanism-ring-binder-2-ring-35-mm-capacity

Yes, pair this binder with standard A4 page protectors and inserts for added document protection and organization.