MTG Style StyleKids Style Kids Authentic L Size Set of 2 These are chairs that can be placed on a chair to correct posture. They can be attached to a desk chair or dining table chair through the hole in the back. They were used by placing them on sofas or at the dining table. All are L size. Colors: Blue: 2 Lime Green: 1 Red: 1 Please comment your preferred color. If you buy a set of 4, it's 8000 yen. These have been used by children, so please understand that they are used items. - Brand: Style Kids - Design: Unique shape - Purpose: Posture correction cushion