... 2cmNet Weight:13.5gLife of battery:used 3 yearsMaterial:environment silicone, nontoxic and tasteless.colour:can make red, yellow, ... green, purple, orange, ink, undersee blue, white, black, golden, camouflagefeature:suitable for ... tasteless.colour:can make red, yellow, green, purple, orange, ink, undersee blue, white, black, golden, camouflagefeature:suitable for ...