Amazon Basics Square Memory Foam Seat Cushion, 37.6 x 38 3 cm, Black

Square-shaped memory foam chair cushion for enhanced comfort when sitting Ideal for home, office, or travel, whether in a rocking chair, office chair, or a car or airplane seat Made of ultra-soft viscoelastic memory foam that conforms to the body and offers sink-into supportive softness Waterproof and spill-proof removable cover zips off for easy cleaning as needed; choice of color/pattern Measures 37.6 x 38 x 3 cm