Shark Legend Bracelet Small 7 inch Usually fits adolescents and women with small wrists Medium 7.5 inch Usually fits average sized wrists for women and men with small wrists Large 8 inch Usually fits average sized wrists for men and women with larger wrists Extra Large 8.5 inch Usually fits men with larger wrists We have partnered with the Bimini Shark Lab to help support their mission to conserve and protect sharks. One capsule is empty fill it with sand / earth or something meaningful. The other capsule filled with plastic fishing net that has been removed from the ocean. Thousands of sharks get entangled and die in these nets every year.