Costzon Ergonomic Kids Desk Chair, Adjustable Study Chair with Brake Casters

Designed for children and teens ages 3 to 18, this ergonomic kids study chair features fully adjustable seat and backrest dimensions, gravity self-locking brake casters, a double-blade split lumbar support, resilient high-density foam padding, and heavy-duty 331 lbs iron frame construction.

• Full 3D Ergonomic Adjustability: Features an adjustable seat height from 13" to 19", seat depth adjustment from 26.5" to 28.5", and backrest height adjustment from 29" to 37" to accommodate growing students alongside desks of various heights.
• Gravity Sit-Brake Auto-Locking Casters: Equipped with 4 smooth-rolling casters that instantly lock when a child weighing over 44 lbs sits down, preventing chair drift and encouraging focus during study, reading, and homework.
• Ergonomic Split Backrest & Lumbar Relief: Outfitted with a dual-wing contour backrest that moves flexibly up to 10" to align with natural spinal curvature, complemented by integrated armrests and a footrest platform to promote healthy sitting posture.
• Resilient Foam Cushion & 331 lbs Capacity: Lined with high-density sponge padding upholstered in breathable, sweat-wicking mesh fabric over a reinforced iron chassis capable of supporting up to 331 lbs, fully tested and certified to ASTM and CPSC safety standards.