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Black stacking chair with powder coated steel frame, tapered legs, molded arm caps and fabric seat

BOSS Office Products

BOSS Office Products B9503-BK Stacking Chairs office furniture

SKU CH-M9QP-2NYZ0 MPN B9503-BK

Stackable office chairs with powder-coated steel frames, waterfall seat, and 250lbs capacity

  • Product typeChairs
  • Product colorNatural
  • Contemporary design suits modern workspaces with tapered legs and molded arm caps
  • Powder-coated steel frames provide durable support for daily office use
  • Stackable up to four high saves valuable floor space when not in use
  • Waterfall seat edge reduces leg pressure during long sitting sessions
  • 250 lbs weight capacity accommodates a wide range of users safely

Contemporary Stacking Chair

The BOSS Office Products B9503-BK is a stacking chair designed for offices, meeting rooms or training spaces that need flexible seating. Its contemporary style and natural colour suit professional environments. The chair supports users up to 250 lbs and stacks four high for compact storage.

Steel Frame and Waterfall Seat

Powder coated steel frames with tapered legs provide structural rigidity for daily use. Molded arm caps add durability at contact points. The waterfall seat design reduces pressure on the legs during extended sitting sessions. No mechanical or electrical components are present, so there are no thermal, noise or power considerations.

Dimensions and Build Integration

Overall size measures 23.5 inches wide, 23 inches deep and 30.5 inches high with a seat height of 18 inches. Seat dimensions are 18 inches wide by 18 inches deep and arm height sits at 25.5 inches. The stackable design frees floor space when chairs are not in use. Buyers needing dimensions not listed here or a different weight rating should verify suitability before purchase.

How it compares

Measured against everything we stock in Office Desks, Chairs & Monitor Arms, at today’s prices. Recalculated every night.

Price $58.99
Cheaper than about 83% of the 5,255 comparable items (median $235.99).

Specifications

Product
Brand nameBOSS Office Products
Model nameB9503-BK
Product typeChairs
Product colorNatural
Size & build
Shipping weight8.17 kg
Package size711 × 508 × 178 mm

Questions about this item

How do I assemble the B9503-BK stacking chair, and what is the common mistake?

The chair arrives with a powder coated steel frame, tapered legs and molded arm caps that bolt together; the step often missed is fully tightening every leg bolt before stacking, otherwise the 30.5"H frame can wobble.

What maintenance will the B9503-BK chair need over time?

Wipe the powder coated steel frame and fabric seat regularly; inspect leg bolts and arm-cap screws every six months and retighten if they have loosened from daily 250lbs capacity use.

What limit appears first during continuous daily use of the B9503-BK chair?

The 250lbs weight capacity is the first constraint; exceeding it stresses the tapered legs and seat structure before any other component shows wear.

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