Dynamic Permanent Contact Backrest Posture Chair Height Adjustable Arms Onyx With Headrest High Back

The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.

The vertical dimension of a product’s back rest measured from its lowest to highest point, expressed in a physical unit such as millimetres, centimetres or inches. It applies to chairs, stools and other seating where the height of the back support is relevant for ergonomics and comfort.

The material indicates the type of substance from which a product is made, such as metal, plastic, wood, glass, or composite materials. It helps users understand the product’s durability, weight, appearance, and suitability for specific applications.

The linear measurement from the front to the back of a seat, expressed in a physical unit such as millimeters, centimeters, or inches. It indicates how deep the seating area is and can be used for fitting, compatibility, or spatial planning.

The vertical dimension of a chair’s seat that can be increased or decreased by the user, typically measured in millimetres, centimetres or inches. It represents how much the height of the seat can be raised or lowered to suit different users and seating positions.