This is a full-featured backpack sized for 8 to 13 year olds. Approximately 30 litre volume. Outside and inside zip pockets on floating lid. Access main body of pack via top pull closure or side zip. Large mesh water bottle holder. Removable, 2 L water bladder and sup hose. Padded shoulder and hip straps. Fully adjustable yoke to accommodate growing torsos. Very good condition. Price is firm.