The beads size is 10mm, bracelet size is between 6“-6.5” The bracelet is adjustable with toggle clasp. If you want extra large size, just contact us. Colors may vary due to different monitor settings, please be aware that there may be very slight differences in color. Care instructions: Keep your alloy items clean and dry. Store them in a dry, cool place that is free from humidity, and avoid exposure to chemicals. As a store, wee provide the most comprehensive and efficient service to our customers to ensure a great experience and great products. If you have any questions or inquiries, please feel free to contact us anytime and we will do our best to respond as fast as possible. Thanks for choosing our shop