Slick and Fashionably Look Silicone Watches. Lightweight 10 grams shock resistant negative ion bands water resistant 3 ATM/99 Ft. It emits negative ions for improved health benefit it increases performance balance flexibility and strength. It speeds recovery time reduces stress and improves the immune system. This is a one of a kind watch... definitely a must-have!!! Variety of Sizes: Small Medium Large - scale: 3.2.1" Case Pack 12 Please note: If there is a color/size/type option the option closest to the image will be shipped Or you may receive a random color/size/type.