Brand new, never used. Immediate purchase is okay! [Compatible Models] Easily interchangeable with Apple Watch Series 4/3/2/1. [Easy to Attach and Detach] Special magnetic clasp design for automatic adsorption, allowing you to easily adjust the length yourself. [High-Quality Feel] Made of high-grade stainless steel, with precision polishing technology for a durable band that feels great and has a luxurious look. [Daily Cleaning] Wipe the band downwards with a lint-free cloth that does not abrade the band. If necessary, lightly dampen the cloth with water. Soaking in water may cause rust, discoloration, or other damage. [Wrist Circumference] 14.5~25cm (38mm/40mm)