The package is a box, and the box is 10

This smoke film has been removed so the insecticide is so non-toxic, you can use it with confidence.

Usage and Dosage: The smoke bomb is padded with a heat insulation board, ignited, and placed in the air purifier demonstration hood, which will generate a large amount of smoke in an instant, using half or one piece each time.

Note: Keep it cool, children should not touch it; fire and moisture. Fragile and not to fall.

Tips: The size of this smoke piece is as large as the coin. The time of burning the smoke piece is very short. There is a small burning smell in the burning process. If you can't stand the burning smell, please take it carefully! This baby is used in conjunction with the air purifier demonstration cover!