Natural high quality resin strap, waterproof and sweatproof, durable and comfortable to wear with Casio GA2100 GA2110 GA-B2100 Series, 16mm lug strap Interface size 16mm-26mm, If you have any questions about the model and size of the , please feel to High quality stainless steel clasp, durable and easy to replace with our tool. Refresh every day! Not original, good . It has the same high-quality experience as the original, which is very worth having.