Sillis Seat Cushions, The 2 Pack Bundle Provides Extra Value on Our Best, Firm, Bamboo, Memory Foam Seat Cushion - Finally Sit Without Back Pain Instantly! Snap This Up Now and GET 2 Pillows

Had these for a while now and they are keeping their shape and cushion. I am slipping it into a standard pillowcase so I don't have to worry about unzipping the cushion cover to wash.

Delivered as promised

man i used it ever day all day buy it