This is a black Optima Wrist brace / support size M.
This brace has an adjustable hinge with hook and loop straps to keep it secure, and it is lightweight and breathable and fits over or under clothes.
This brace is a size medium and will fit a wrist 7"-8.5" in diameter, and can be worn on either hand/arm. It measures 12" long and 4" on the arm but this is adjustable and 3" at the wrist also adjustable.
The cleaning instructions are hand wash in like warm water with a mild soap, rinse well and air dry.
This brace is in great pre-owned condition in the original plastic bag with instructions.