The color of actual products maybe a bit different from the photo because different display screens and lighting make them all look a little different. Polyester material. Beige under natural light. Seat width: 18 1/2 " ! We only use high quality material for this replacement sofa cover compatible to Ikea henriksdal Bar Stool with Backrest cover, and we run a number of tests to make sure that our cover fits well for henriksdal bar stool. The package includes one set of bar stool cover, and only fits ikea henriksdal bar stool with backrest cover. Warning: bar stool isn't included!