Material: Cushion Cover is polyester blend, inner padded with thick and elastic cotton core Function: Compared to hard chair surface, our seat cushions can provide soft and comfortable support for your hips, reducing pressure on your hip Occasions: Our seat cushion is suitable for sofa chair, office chair, dining chair, wicker chair or other various armchair chair, also for home floor, bay window of bedroom Target Group: Adult, especially suitable for office workers, outdoor camping enthusiasts, elderly, rehabilitation, pregnant woman or other groups pursuing sitting comfort Dimensions: Available in three different sizes 40 x 40 x 8 cm, 45 x 45 x 8-10 cm, 50 x 50 x 8-10 cm/(L x W x H), thickness is 8-10 cm, Manual measurement under static conditions, the error is 2 cm