We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black vinyl 3-inch round-ring binder with two triggers and inside pockets

Business Source

Business Source 9978 3" Round Ring Binder 11"x8-1/2" Black

SKU CH-6SB4-GVA10 MPN 9978

Holds up to 625 sheets with two inside pockets that each store 30 sheets and a two-trigger ring mechanism for quick access

  • TypeBinder Rings
  • ColorBlack
  • Finish/SurfaceVinyl
  • Quantity1 each
  • Easy page access with two ring triggers
  • Pages lie flat with back-mounted metal rings
  • Holds up to 625 sheets in 3" capacity
  • Extra storage with two 30-sheet inside pockets
  • Durable PVC-free poly material resists sticking

Capacity & Layout

This three-ring binder provides a 3-inch round-ring capacity that holds up to 625 sheets of standard paper. Two interior clear pockets each store an additional 30 sheets for quick-reference documents. The 11-by-8.5-inch format fits letter-size pages, and the back-mounted metal rings let pages lie flat when the binder is open.

Users & Limits

The design suits offices, students and home organisers who need a single high-capacity binder for active reference files. Buyers who want more storage than 625 sheets or who prefer D-ring or lever-arch mechanisms should look at other binding styles. The vinyl cover is not intended for heavy outdoor or industrial environments.

Ring Mechanism

Two triggers on the round-ring mechanism release the rings smoothly for fast sheet insertion and removal. Back-mounted metal rings keep pages aligned and flat during use. The PVC-free polypropylene cover with exposed rivets and a chipboard core supports the mechanism without adding bulk.

Highlights

  • Easy page access with two ring triggers
  • Pages lie flat with back-mounted metal rings
  • Holds up to 625 sheets in 3" capacity
  • Extra storage with two 30-sheet inside pockets
  • Durable PVC-free poly material resists sticking

Specifications

TypeBinder Rings
BrandBusiness Source
ColorBlack
Finish/SurfaceVinyl
Quantity1 each
Shipping weight0.54 kg
Package size132 × 102 × 71 mm

Questions about this item

How many sheets can the 3-inch round rings hold before they stop closing cleanly?

The round-ring mechanism is rated for up to 625 sheets of standard paper.

Does the vinyl cover or poly material soften or smell after sitting in a warm office all day?

The PVC-free polypropylene cover and non-stick poly rings stay rigid and odour-free during extended indoor use.

Will the binder stand upright on a shelf without a separate box or sleeve?

The sturdy chipboard core and exposed rivets give the binder a rigid spine so it stands on its own.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.