Packaging content you will receive 450 pieces of backflow incense cones in each package there are 9 kinds of fragrance lavender rose jasmine sandalwood green tea argy wormwood lily fragrans eaglewood 50 pieces for each kind enough quantity for your uses and choose according to your need Grid packaging box we also provide you with 1 packaging box with grids each scent is packed in a grid so that you can differentiate and choose the ideal scent you like Safe material these colorful backflow incense cones are made from natural plant materials which have fresh fragrances and different fragrances have different tastes which can satisfy different preferences you can feel free to use them Relaxing effect the burning time of the backflow incense is about 5 minutes you can incense cone placed in the incense holders hole it can create a mesmerizing and relaxing fountain effect Applicable places these backflow incense need to be used with backflow incense burners and you can place them in meditation rooms bedrooms offices yoga rooms conference rooms and other indoor places with little wind