These are unique very high quality “Instant-lite ” manufactured in China. The box contains 10 rolls with each roll containing 10 pieces (100 individual pieces) of quick lighting charcoals. Each piece is 40 mm in diameter. Simply light the charcoal with a lighter and the charcoal will become red hot in seconds. Each piece will stay lit for 45 min to 1 hours. These charcoals stay hotter and last longer than any other quick lighting charcoals on the market . In addition, these charcoals don’t have that unpleasant ‘charcoal’ taste or odor to them. These charcoals are specifically designed for hookah unlike a lot of other brands which were originally designed for burning incense. You will not find higher quality quick lighting charcoals on the market. These charcoals are ideal for hookah users that want to be able to set up and enjoy the hookah.