Authentic DJI RoboMaster S1 Parts - Sold by Authorized Dealer 

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.

Tips: The gel beads are specially designed for the RoboMaster S1. Do not attempt to use the gel beads for any purpose with other products. 

In the box: Bottle of Gel Beads × 2

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)