Ergonomic Memory Foam Seat Cushion with Back Support

$69.99

Taxes included.

Real relief for every hour you spend sitting.

Relieves back & sciatica pain
Holds shape all day long
Works on any chair, car or truck
Removable washable cover
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Most cushions feel good the first week, then flatten out. This one uses high-density memory foam that holds its shape through months of daily use. The support stays consistent from the first sit to the hundredth.

Place it on any seat with the back support facing up. Sit down. No straps, no adjustments, no setup. The non-slip base holds it in place automatically.

Made with supportive memory foam cushioning and a soft breathable fabric cover for daily comfort.

The bottom has a non-slip surface to help keep the cushion stable while sitting. The cover is removable with a zipper and can be washed for easier cleaning. Do not machine wash the foam core.

17.3 x 16.5 x 12.6 in / 44 x 42 x 32 cm

Ergonomic Memory Foam Seat Cushion with Back Support

$69.99

$69.99

Sitting this much was never supposed  to feel this uncomfortable

After 30 minutes, your hips tilt, your lower back loses its curve, and pressure builds on your tailbone and sciatic nerve. Most cushions add softness without fixing any of this.

Supports your seat and lower back together in one integrated design

Helps reduce direct pressure around the tailbone area

Contours to your body with supportive memory foam cushioning

Helps you sit more steadily without constantly readjusting

Built  for the way your body actually sits

The memory foam gently responds to your body shape, helping spread sitting pressure more evenly across your hips and thighs. The raised back section supports your lower back, while the contoured seat helps create a more stable base underneath you.

The result is not just comfort. It is a seated position your body can hold for hours without fighting against it.

What makes it different

Every detail was built for people who sit longer than they should.

High-density memory foam

Responds to body heat and never flattens

Hollow coccyx cutout

Eliminates direct tailbone pressure

Integrated lumbar rise

Follows the natural curve of your spine

Contoured seat base

Keeps hips level and reduces thigh pressure

Non-slip base

Stays in place on any surface

Breathable fabric cover

Removable and machine washable

Wherever  you sit, it fits your day

One cushion, no adjustments needed.

At your desk: added support during long work sessions

In the car: extra comfort for daily commutes

In the truck: lower back support for longer time on the road

At home: a simple upgrade for the chair you already use

In a wheelchair: added cushioning and support for extended sitting

You have been sitting through it.
There is a better way to sit.

The kind of support you stop noticing after a few minutes. Because it just works. Wherever you sit, however long you stay.

Find My Support
With Unilva, Sit longer. Feel better.

Frequently asked questions.

Most people notice the added support as soon as they sit down. The cushion is designed to support your seat, lower back, hips, and tailbone area at the same time, so your chair feels more stable and comfortable during long sitting.

Unlike standard foam, this cushion uses high-density memory foam designed to hold its shape through months of daily use. It compresses when you sit and returns to its original form when you stand up.

Yes. It is designed to fit most standard seating surfaces including office chairs, car seats, truck cabins, home chairs, and wheelchairs. No straps or attachments needed.

The non-slip base is built to stay in place on virtually any seat surface without slipping, even during long driving sessions or extended workdays.

The cover unzips completely and is machine washable. Gentle cycle, air dry. That is all it takes.

The fabric cover is breathable and designed for everyday sitting comfort. The center cutout also helps improve airflow around the seat area compared with a fully closed cushion.

Medical Disclaimer

Individual health needs and responses vary, and product experience may differ from person to person. Our products are not intended to replace professional medical advice, diagnosis, or treatment. If you have a medical condition, ongoing symptoms, or specific health concerns, please consult a qualified healthcare professional before use.