This back cushion can be put anywhere, such as your bed, sofa, car, office and etc. Surrounded shape, various using, easy to use, detachable for simple cleaning. Material: Crystal short melt + PP cotton. Colour: Blue, Green, Gray Product Size: 40x55x20cm Package Include 1 x Reading pillow Note: 1. Because the product is bulky and elastic, there is may be slight tolerance of 2-3cm due to manual measurement. 2. If you have any questions, please feel free to contact us and we will get back to you within 12 hours.