SPECIFICATION: 15cm Super Sparklers. 40 Sparklers. Size 60x200x15.. DESIGNED FOR INDOOR OR OUTDOOR USE: Our sparklers are safe to be used inside and do not leave any residue or smoke. Please read warnings before use. PERFECT FOR: Bonfire night (Guy Fawkes), Birthdays, Weddings, Baby Shower, Halloween, New Year and Christmas AGE RESTRICTED PRODUCT: You must be 16 or over to purchase this item Whilst our indoor pyrotechnic items are of the highest quality and visibly smoke free they may set off very sensitive detectors.