Office chair Onex VENTRA Premium — upholstered padded seat, padded backrest, red, W660×D680×H1140 mm

Onex VENTRA Premium is an office chair with an upholstered padded seat and padded backrest in red, designed for workplace or home office use. The chair combines a compact footprint with cushioned seating and back support. Key dimensions include a seat width of 660 mm, a seat depth of 680 mm and a minimum overall height of 1140 mm. The product is engineered for regular daily use and comes packed to simplify delivery and storage.

Advantages

The Onex VENTRA Premium provides ergonomic support focused on posture and lumbar alignment while maintaining a clean, modern appearance. Its padded seat and backrest deliver immediate comfort, and the red upholstery adds visual clarity to office or home interiors. The chair is constructed to balance comfort and simplicity, omitting non-essential extras so it remains practical and space-efficient.

Suitable for

• Office workstations and corporate environments
• Home office setups and remote working
• Meeting rooms and collaborative spaces
• Users who require cushioned seating with moderate adjustability

Key specifications

• Seat width: 660 mm
• Seat depth: 680 mm
• Minimum overall height: 1140 mm
• Upholstered padded seat and padded backrest in red
• Adjustable seat height and armrests
• Recline and tilt mechanism with lock function
• Breathable mesh back (where applicable to model styling)
• Adjustable headrest
• Five caster base for mobility
• Maximum user weight capacity: 125 kg
• Weight: 18.6 kg

How to use

Adjust the seat height so your feet rest flat on the floor and your thighs are roughly parallel to the ground. Set the armrests to support your forearms without raising your shoulders. Use the tilt and recline mechanism to find a comfortable back angle and engage the lock function to secure the preferred position. Position the adjustable headrest to support the base of the skull and upper neck if additional neck support is needed.

Usage recommendations

For prolonged comfort, alternate between upright and slightly reclined postures during the day, periodically stand and stretch, and check caster wheels and mechanisms for debris to maintain smooth operation.