EdenDwell Memory Foam Seat Cushion for Office Chairs — X-Large Black, 3.35" Thick, Non-Slip Washable Cover

EdenDwell's X-Large memory foam seat cushion is a supportive, portable chair pad designed to relieve pressure during long periods of sitting while improving comfort and posture.

Whether you're working a full day at a desk, commuting, or recovering from an injury, this large black chair cushion combines a high-density memory foam core with a washable cover and anti-slip base to make sitting more comfortable. Sized at 18.50" × 16.93" × 3.35", the cushion gives broad surface support and a beveled edge that encourages proper hip alignment without feeling bulky. It's made to move easily between an office chair, vehicle seat, wheelchair or couch and to stand up to daily use with a removable, machine-washable cover.

How does the memory foam improve comfort during long sitting sessions?

The premium memory foam core is engineered to balance pressure relief and firm support. It contours to your body to reduce concentrated pressure on the tailbone and hips, while the higher-density center maintains structure so you don’t bottom out after extended use.

• High-density memory foam core for lasting support
• Contours to distribute weight evenly
• Beveled edge to reduce pressure and promote posture
• 3.35" thickness for a comfortable seating surface

Will this cushion stay in place on my chair or car seat?

The cushion features a textured non-slip bottom that grips fabric and many smooth surfaces to keep the pad from sliding. This makes it reliable for both stationary office chairs and moving vehicles so you can focus on your task or the road instead of readjusting your seat.

• Non-slip base designed for multiple surfaces
• Stable fit on office chairs, car seats, and stools
• Keeps alignment without constant repositioning

Is the cover easy to clean and transport between locations?

The EdenDwell cushion has an ultrasonic-finished cover with a smooth zipper for a neat appearance and easy removal. The cover is machine-washable, and an integrated carry handle makes it simple to move the cushion between home, work, and travel.

• Durable, ultrasonic-stitched fabric resists wear
• Smooth zipper for quick cover removal
• Machine-washable for routine cleaning
• Built-in handle for easy portability

Which seats and users is this cushion best suited for?

This large pad works across many seating scenarios: office chairs, dining chairs, car seats, wheelchairs and airplanes. It’s a practical choice for professionals who sit for long shifts, drivers, seniors, or anyone seeking extra comfort or recovery support without changing their existing chair.

• Compatible with office seating, vehicles, wheelchairs and home chairs
• Useful for extended desk work, commuting, and travel
• Recommended for users seeking pressure relief and posture support
• Sized to fit larger chairs while remaining portable

Who is this for? If you want an easy-to-use, robust seating upgrade that fits large chairs and travels with you, EdenDwell’s X-Large memory foam seat cushion is a practical, low-maintenance solution. It’s made for people who sit for extended periods—office workers, drivers, caregivers, and anyone needing more supportive seating—offering a balance of pressure relief, durability, and portability without complicated setup.