Made from 100% recycled glass made in the US, glass jelly beans have been tumbled to obtain the perfect size and round shape, fire glass can be used in indoor and outdoor fireplaces/firepits, ships in 10lb bag, comes in extra small, small and medium size (extra small: .125" - .25" glass, small: .25" - .375" glass, medium: .375" - .5" glass), medium iridescent option also available (fourth picture)