Fanmis Children Students Sport Rhinestone LED Flashing Light up Color Changing Silicone Jelly Watch White Transparent plastic case + soft silicone band Diamonds mounted bezel Built-in lighting LEDs, changable 7 colors flashing flashing mode: slow strobe and fast strobe. Extremely luminous in night Available most wrist cire is 18.5 cm. It's really a great funny stuff for children. Not water resistant