Material: EVA, diameter 5.5cm, stretchable Natural & Deet-Free - Our Bracelets are made with: Geraniol Oil, Lemongrass Oil and Citronella Oil. Research shows that essential oils can effectively repel mosquitoes. Indoors & Outdoors Use - Our Natural Wristband are great for outdoor or indoor use. Suitable for many occasions, go out for BBQ, camping, hiking, gardening, fishing, hunting, Swimming (WATERPROOF), traveling and even weddings. Eco-Friendly Design - Made from high-quality EVA material, these bracelets are very soft and extremely elastic & easily fits, yet tough. Always fashionable and extremely comfortable to wear on your Hair, wrist and ankle. Premium Quality and Service - Your comfort and satisfaction is our 1 priority. If you have any problems with it or questions, please feel free to contact us and we will respond in time. We're standing by to assist you all the time.