The PVC pouch contains approximately 104 gram of yellow/green fluorescine dye, which will spread rapidly when dissolved in water, or over snow.

Can be seen for a mile or more, and lasts for 30-40 minutes depending on water conditions, and longer in snow. Contains non toxic chemicals known to dissipate in water.

Size: 127 x 156 x 35mm (5 x 6.1 x 1.4”).