World Footbag Sand Urchin Hacky Sack Footbag Filled with sand for consistent kicks and easy delays (stalls) 3-panel footbag (hacky sack) created by Danish craftsman, Allen Petersen is a perfect mix of style and performance Suede fringes stitched into the pattern act as a gasket to improve sand retention Super soft, tough and washable synthetic suede outer cover material Superb for "delay" tricks Suede fringes stitched into the pattern act as a gasket to improve sand retention Superb for "delay" tricks Perfect mix of style and performance Danish craftsman Allen Petersen has created the visually stunning sand-filled Urchin Filled with sand