12 pack of Solid Black open on the end only, fabrics may vary and may include knit and/or spandex. (this pack reduces your cost to $7.47 per soc) Circumference around the head will fit 20 to 21 inches around. Ships priority mail to addresses in the United States. Please note: these packs are offered at reduced cost and are in stock items that are prepackaged already. This means they are ready to ship. You cannot choose specific desired colors. Please also note: these are all open on the end. Please Note: these kits will ship with signature confirmation and may ship earlier than indicated.