Grey Ergonomic Memory Foam U-Shaped Seat Cushion - Breathable Orthopedic Pressure Relief Pillow with ZIpper Cover & Handle (45 x 36 CM) category_audio_accessories USB interface or 3AAA Battery

USB interface or 3AAA Battery powered (not include)

good thickness

and the snagfree zipper allows for repeated use without compromising functionality

Fully adjustable: simply push the button to adjust the height of the brackets on the rail and release to tighten in place

precise water flow control—closes fully to avoid drips

Grey Ergonomic Memory Foam U-Shaped Seat Cushion - Breathable Orthopedic Pressure Relief Pillow with ZIpper Cover & Handle (45 x 36 CM) category_audio_accessories USB interface or 3AAA BatteryTransform Any Chair into a Comfort Zone Combat the discomfort of long sitting hours with our Ergonomic Memory Foam U Shaped Seat Cushion. Specially designed to follow the natural contours of the human body, this cushion features a strategic U shaped cutout that suspends your tailbone (coccyx), reducing direct pressure and promoting better spinal alignment. Filled with high density, slow rebound memory foam, it provides personalized support that won't