Mesh material cool vest set of 3, S, M, XL, cooling devices, 2 batteries, charging cable - Quantity: 3 - Size: S - Size: M - Size: XL - Included: Cooling devices, cable, 2 batteries - Material: Mesh material - Color: Black Thank you for viewing. I received this item recently and used it about 5 times. It was purchased in July 2025. The small battery is unused. The XL vest was purchased new and used twice. Operation has been confirmed and there are no problems. Everything in the photos is included. Home cleaned. Please feel free to ask any questions.