TOPSTAR Sitness Bob Red Dynamic Ergonomic Stool SU49 G21

At a standing desk in a bustling office, the TOPSTAR Sitness Bob Red keeps you moving. Its 3D Sitness joint allows a full range of motion—tilting, rocking, and rotating—so you can shift positions naturally while staying focused on your work. The bright red fabric seat adds a pop of energy to any workspace, and the non-slip base ring ensures stability on hard floors without scratching. Whether you're at home or in a corporate environment, this stool encourages active sitting and better posture throughout your day.

Key specifications

• Dynamic ergonomic stool with 3D movement mechanism
• Seat height adjustable from 420 to 560 mm via gas spring
• Seat diameter: 380 mm; base diameter: 380 mm
• Maximum user weight: 120 kg
• Seat material: 100% polyester fabric in red
• Base material: polyamide (PA), non-slip and floor-friendly
• GS-certified by TÜV Rheinland for safety and quality
• Recommended daily usage: up to 4 hours
• Minimal assembly required

Why choose it

The Sitness Bob promotes active sitting, which can help reduce the strain of static postures. Its 3D joint allows micro-movements that engage core muscles and improve circulation. The sturdy construction supports up to 120 kg, and the gas spring height adjustment makes it easy to find your ideal position. The red fabric is both durable and easy to clean, making it suitable for daily use. Plus, the GS certification gives you confidence in its safety and reliability.

Ideal use cases

• Office workstations with height-adjustable desks
• Home offices where space is limited
• Creative studios and collaborative spaces
• Any environment where active sitting is encouraged

Good to know

The non-slip base ring is gentle on hard floors, and the stool's compact footprint makes it easy to move and store. The fabric seat can be wiped clean with a damp cloth. Assembly is quick and requires no special tools.