Since they are really comfy. The Poof chair engulfs your body into a supple and also soothing pillow of copyrighted, polyurethane foam. There are no pressure points. You can conveniently fluff (refoof) your chair over and over for years of satisfaction. Given that the mid 1990s, some business have actually begun offering chairs full of shredded polyurethane foam, charging a costs for the added convenience this can supply. Bean bag chairs are recognized to bean bag lovers by lots of names, such as "Physics Bag" or "Extra-large Sac".