Memory foam seat cushion for office chairs 46x36x7cm in black flannel fabric, designed for adult use to provide hip support while sitting at a desk, computer, or home office workspace, U-shaped contour fits around seat edges.
Memory Foam Office Seat Cushion with Black Flannel Cover, 46x36x7cm U-Shape

This seat cushion is designed to add a layer of conforming memory foam support to office chairs and similar seating. Measuring 46 centimetres wide by 36 centimetres deep and 7 centimetres thick, it provides a defined area of padding intended for adult use. The U-shaped contour is a key feature, designed to fit around the rear edges of a chair seat, which can help position support around the hips. Covered in a black flannel fabric, it offers a practical solution for those seeking extra comfort during desk work, computer use, or other seated activities at home or in an office. The product is supplied as a single unit, ready to place on an existing chair.
Features and Construction

The cushion's design centres on its memory foam fill and specific dimensions. It is built to fit standard chair seats and provide targeted support.
Material and Build
The core filling is memory foam, a material known for its ability to conform to shape under pressure and slowly return to its original form. This is contained within a U-shaped shell. The outer layer is a cover made from black flannel, a soft, woven fabric. The source text does not specify foam density, cover closure methods like zippers, or additional internal construction details, so claims about breathability, firmness, or longevity cannot be made.
Size and Practical Fit
The cushion has precise external measurements: 46cm in width, 36cm in depth, and 7cm in thickness. These dimensions determine its fit on a chair seat; it is suitable for most standard office chair seats which are typically around this size or larger. The 7cm thickness adds noticeable height, which users should consider in relation to their desk height. The U-shaped cut-out at the rear is designed to accommodate a chair's central seat contour or stem, preventing the cushion from interfering with the chair's structure.
Uses and Placement

This cushion is presented as suitable for adult use on various types of seating, primarily in static sitting scenarios.
Event or Professional Use
In a professional office environment, the cushion can be used on task chairs during long workdays at a computer or desk. The black flannel cover presents a neutral, low-profile appearance common in workplace settings. The defined size means it stays in place on a standard chair seat without excessive shifting during entry and exit. It is a simple add-on product for individuals looking to modify their existing office chair's seat comfort.
Everyday Home Use
For home offices, study areas, or even for use on dining chairs during extended seated activities, the cushion provides the same memory foam support. The U-shape can be beneficial on chairs with a pronounced rear contour. It serves as a straightforward comfort upgrade for any hard or worn seat surface around the home where the 46x36cm dimensions are appropriate. No claims are made regarding suitability for medical or therapeutic purposes.
Benefits and Buying Value

The value of this product lies in its specified materials and dimensions, offering a concrete solution based on those parameters.
Reuse and Low Maintenance
The product is a single, durable item designed for repeated daily use. The black flannel cover is likely removable, suggesting it can be cleaned separately according to fabric care instructions, though specific washing guidelines are not provided. Memory foam itself typically requires minimal maintenance beyond keeping it dry and away from direct heat sources. This contributes to a straightforward ownership experience with no complex upkeep routines stated.
Why Choose This Product
You might choose this seat cushion if you require a specific 46x36x7cm size of memory foam padding with a U-shaped rear contour. The black flannel cover offers a specific aesthetic and tactile choice compared to other fabrics. It is a product defined by its measurements and material composition rather than unverified performance claims, making it suitable for buyers who prioritise these concrete specifications for ensuring a fit on their chair and a known type of support material.
