Search query: desk chair that holds 500 lbs

Product: Flash Furniture Mid-Back Black Mesh Swivel Ergonomic Task Office Chair with Flip-Up Arms
Brand: Flash Furniture
Color: Black Mesh
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If you're seeking exceptional seating comfort for yourself or multiple employees this ergonomic mesh back office chair will fit the bill. Everyone from the CEO to the front office staff will enjoy working in comfort with this office task chair.
SAFETY & COMFORT: [_Our chair conforms to ANSI/BIFMA standard X5.1-17_] Ventilated curved mesh back with built-in lumbar support prevents overheating, 3" padded waterfall seat relieves pressure from the legs while providing cushioning for long workdays
HIGHLY CUSTOMIZABLE: Pneumatic height adjustable 360 degree swivel seat, Tilt lever - push in to lock in an upright position; pullout to activate rocking motion, Tilt tension knob controls tilt resistance, Functional flip-up arms allow ease of access
VERSATILE USE: Commercial grade material and quality creates a superior chair that can be used in home offices, commercial business work spaces, college dorm rooms and student study spaces in the home
PRODUCT MEASUREMENTS >>> Overall Size: 24.5"W x 25.5"D x 37.5-41.25"H | Seat Size: 20.25"W x 19"D x 17.25-20.75"H | Back Size: 17-20"W x 23"H | Arm Size: 26.25-30.25"H from floor; 8"H from seat

Product: Amazon Basics Mesh, Mid-Back, Adjustable, Swivel Office Desk Chair with Armrests, Black
Brand: Amazon Basics
Color: Black
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Comfortable office chair with contoured mesh back for breathability
Pneumatic seat-height adjustment; padded seat for comfort
Stable 5-point base with dual-wheel casters; 275-pound maximum weight capacity
User manual with assembly instructions included
BIFMA Certified

Product: Amazon Basics Padded Office Desk Chair with Armrests, Adjustable Height/Tilt, 360-Degree Swivel, 275Lb Capacity - Black
Brand: Amazon Basics
Color: Black
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Padded mid-back rolling office chair upholstered in durable polyurethane bonded (faux) leather
Height-adjustable padded seat with adjustable seat angle, tilt control and padded armrests; perfect for home office, computer desk, guest work station or conference room
5-legged base with durable casters for smooth-rolling mobility; 275-pound max weight capacity
Product weighs 26.5 pounds; assembly instructions included
BIFMA Certified

Product: Serta Big & Tall Executive Office Chair High Back All Day Comfort Ergonomic Lumbar Support, Bonded Leather, Black
Brand: Serta
Color: Black
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FIT FOR AN EXECUTIVE: Enhance your office experience with the comfort and luxury of the Serta Big and Tall Executive Office Chair
BIG AND TALL: Supports up to 350 pounds and has a generous seating area
TRANQUIL SEATING EXPERIENCE: Deep layers of plush body pillows and hand-sculpted, upholstered armrests
OPTIMAL NECK SUPPORT: An elevated headrest for improved neck support for taller individuals
SMOOTH ROLLING: Multi-surface, dual-wheel designer casters make it easy to move around