... , Light, Convenient 3 ATM Water Resistance Facotry Price Anion Silicone Sports WatchWater Resistance, free for swimming, 30M water resistant ... ,16cm,17cm (Other size also available) Material: (1) 100% silicone rubber, non-toxic, harmless, eco-friendly; (2) Anion Powder ... and Silicone Rubber, non-toxic, harmless, eco-friendly;;Color: Pantone color ...