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The HAKKAS YB4D-A office training chair is designed for offices, classrooms, training rooms, study spaces, meeting areas, and flexible commercial environments. It features a 3D breathable PP backrest, ergonomic lumbar support, movable upholstered seat cushion, height adjustment, aluminum alloy base plate connection, Class 3 gas lift, and storage base with casters.
The YB4D-A office training chair is designed for learning and office spaces that need compact seating, extra storage, and improved sitting comfort. Compared with the standard storage-base version, this model includes a movable upholstered cushion, making it suitable for classrooms, training rooms, study spaces, meeting areas, and shared office environments. Buyers can also view more related models in our Training Chairs collection.
The chair back uses new PP material reinforced with fiberglass for reliable daily performance. Its 3D three-dimensional circular hollow back design improves ventilation, while the curved shape provides ergonomic lumbar support for the waist and back. For workplace seating comfort references, buyers can review ergonomic guidance from OSHA.
The YB4D-A office training chair comes with a movable soft cushion, helping improve sitting comfort during classes, meetings, training sessions, and study periods. The cushion can provide a softer sitting experience than a basic plastic seat, making the chair more suitable for longer use in classrooms and office training spaces.
The storage box base helps users keep books, notebooks, files, bags, and personal items organized during learning or work. This feature is especially useful in classrooms, seminar rooms, study areas, and shared spaces where separate storage may be limited.
The chair uses a Class 3 gas lift, allowing the seat height to adjust from 390 mm to 490 mm. The storage base includes casters, making the chair easy to move between desks, group discussion areas, and training layouts. Buyers who need more mobile seating options can also review our Office Chairs collection.
The chair frame uses 1.5 mm thick 25 mm round tube with high-temperature baked coating, offering stable support and improved surface durability. The aluminum alloy base plate connection adds structural reliability, while the compact size helps save space in smaller training rooms and study areas. For buyers comparing commercial seating durability, BIFMA standards are also worth reviewing.
With its breathable backrest, movable upholstered cushion, storage base, adjustable height, caster mobility, and compact design, the YB4D-A office training chair is suitable for offices, classrooms, training centers, meeting rooms, study spaces, and public work areas. Buyers can also compare other options in our Meeting Chairs category.
