Regular Size : 11.81"W x 15.75"D x 15.75"H. This will fit small/thin individuals nicely (a child or young teenager) and takes up less room than other seat cushions Back Support: The steel frame provides sturdy back support with 5 adjustable levels, allowing your back to rest comfortably Portable: Lightweight without added bulk. Easy to carry arround with handle Soft Padded: Soft thick padded cushion and back support added extra comfort Back Pocket: 2 back pockets for convenient storage Machine Washable: Removable cover allows for easy care Versatile Outdoor Use: Stadium, Concert, Camping, etc. Love&go Portable Stadium Seat with Back Support for Children Kids Teens, Lightweight Child Seat for Outdoor Sports Concerts Camping