Product Name: Workman Wind Core Ice x Heater Peltier Vest PRO2 Fixing Parts Compatible Products: Workman Item No. WZ-5 2025 Model WindCore ICE x HEATER Peltier Vest PRO2 Wind Core Ice x Heater Peltier Vest PRO2 Product Contents: Large Device Fixing Part: 1 Small Device Fixing Part: 1 Improvements: ✔ Improved version to resolve the difficulty of attaching and detaching. ✔ The trick to removing it is to push and twist. ✔ The outer diameter of the large device part has been made larger to prevent the cooling device from falling out even if the hole in the vest stretches. Remarks: Please use for parts repair, spares, and replacements. Due to being created with a 3D printer, there are unique layer lines. Since the installation has been confirmed, it is listed as "Like New". Please pay attention to the size and quantity. Also, avoid leaving it in a car in direct sunlight, as it may deform.