Silicone wristbands are used in a variety of casinos, playgrounds, and can be used as gifts, souvenirs, promotional items, and more. Durable and Waterproof: Extra thick waterproof silicone wristbands is more durable and tough enough to withstand everyday all wear. It is a stylish hot jewelry, low cost, efficient advertising, promotional gifts. Suitable for silicone wristbands of all ages, One Size is suitable for most adults. The bracelets can fit a variety of people since they are stretchy. Material: environmentally friendly silicone (elastic). Many colors for your options. Great for promotional gifts and giveaways.