The gel bead, mainly containing sodium polyacrylate crosslinking copolymer, is safe and non-toxic. It is recommended to use the gel beads after soaking them in clean water for 3 to 4 hours at normal temperature.
 

Around 10,000 shots per bottle
Gel Bead Diameter: 5.9-6.8 mm
Gel Bead/Water Ratio: 500shots / 1000ml
Single Gel Bead Weight: 0.12-0.17 g (after being soaked in water)
 

Custom gel bead size perfectly fits the S1 Blaster.
Custom color allows added trajectory effects after the gel beads are launched.

Bottle of Gel Beads