All of our incense are hand dipped in only the highest quality and grade oils. Every stick is individually checked for quality. Our incense are double packed to insure freshness and longevity during shipping and storage. You will find that our fragrances have a long lasting scent well after burning. Burn time is on average 1 hour. Please use caution when lighting and burning . NEVER leave incense unattended and always use a safe place to burn.