QG-105 Kids Study Chair with Adjustable Depth & Height, Switch-ON/OFF Seat Rotation   | Ergofuns

The QG-105 Growth-Oriented Children’s Desk Chair is an engineering-led solution designed to disrupt the mid-to-high-end pediatric furniture market. You can adjust the backrest height and seat depth together via sliding the armrest. 

Built with industrial-grade materials—including SGS Class 3 cylinders and high-density molded foam—the QG-105 combines long-term durability with the aesthetic appeal of premium PU leather, making it a high-turnover asset for e-commerce retailers and kid study furniture seller alike.

Available Colors

• Sky Blue / Sakura Pink / Lemon Yellow / Forest Green

Premium Build Quality

• Frame: 100% Virgin PP (High-impact resistance; no recycled plastics).

• Gas Lift: Certified Class 3 or Class 4; 100mm–120mm stroke for various student desk heights.

• Seat Core: High-resilience Molded Foam; provides plush support that won't sag.

• Upholstery: Skin-friendly PU Leather; scratch-resistant and "wipe-clean" for easy maintenance.

1. Contoured "Parent-Hug" Backrest
   The integrated armrest-to-backrest frame is ergonomically sculpted to mimic a supportive embrace. The high-density foam padding is precisely curved to align with the child's natural spinal development, providing consistent lumbar support and posture correction.

2. Synchronized Sliding Armrest
   Designed for effortless growth adjustment, the closed-loop armrests feature a dual-trigger system. By engaging the underside switches, the backrest glides diagonally along a precision track, adjusting 8cm in depth and 5-6cm in height simultaneously to ensure a perfect ergonomic fit for children.

3. High-Resilience Molded Foam Seat
   The seat utilizes premium high-density molding foam that maintains its structural integrity and "anti-collapse" properties even after years of heavy use. For focused learning, a discreet button under the seat pan allows users to toggle between 360° free rotation and a locked position to minimize distractions.

4. SGS-Certified Class 3 Safety Cylinder
   This chair is equipped with a reinforced 2mm thick wall tube gas cylinder with a 120mm stroke, providing smooth, stable height adjustment.

5. 5 star  Base with Adjustable Foot Pedal
   The 64cm diameter reinforced PP 5-star base provides a wide center of gravity to prevent tipping. It includes a removable, forward-reaching "wide-ring" foot pedal with two-gear height adjustment (16cm to 24cm).

6. Manual Switch-Off Lock Casters
   It gives the user (or parent) total control over the chair's mobility. Lock the wheels for intense study sessions or unlock them for flexible movement with a simple toggle.