Car Seat Cushion [For Katsu-sama]

Purchased from Amazon and used approximately 3 times, but it didn't suit me, so I'm selling it.
Includes instruction manual.

Amazon purchase price: ￥3,980 x 2 = ￥7,960
(As of July 16, 2025)

Below is the content from Amazon:
https://www.amazon.co.jp/dp/B0CH6WD97Q?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

- Brand: Unbranded
- Features: High-density urethane, 4D mesh fabric
- Color: All Black
- Filling Material: High-density urethane
- Shape: Square
- Target Age: All ages

? [Supervised by a Lumbar Specialist] LURE's seat cushion was designed by a lumbar specialist with drivers who experience back and hip pain in mind, aiming to help you achieve an ideal posture that reduces strain on your body even while driving. Please make it your companion for long drives.
? [Adopts High-Density Molded Urethane] The cushion material used in this seat cushion is the highest quality molded urethane, ensuring both a comfortable seating experience and high durability. It will make your back and hips feel more comfortable even during long drives.
? [For Driving with an Appropriate Eye Level] Using this seat cushion will raise your eye level by approximately 1-3 cm while driving (※individual results may vary depending on your car seat). This widens your field of vision while driving, allowing for safer driving.
? [Keep Your Cushion Clean at All Times] The cover of the seat cushion is removable and washable. Enjoy a comfortable driving life by always keeping your driver's seat clean.
? [Compatible with Various Vehicles. Designed to Prevent Slipping] LURE's seat cushion is compatible with a wide range of vehicles. The underside of the seat cushion has a non-slip finish, and there is also a fixing belt on the back of the seat cushion. This ensures stable driving.