Product Description Name: Colourful flame powder Material: copper sulphate, calcium carbonate, copper, etc. Specification: 10g1 bag Size: 62mm*108mm Characteristics: change flame colour, long duration, easy to carry. Warm tips 1. Due to manual measurement, the size may have 1-2 cm difference. 2. 2 Due to differences in monitors and lighting, the picture may not show the actual colour of the item. Thank you for your understanding.