4 Pack Vacuum Cleaner HEPA Filters for Cyclonic Series RO3753EA RO3731EA RO3786EA About this item:Name:Portable cold air cushion with USB interfaceSize: 43x43cmMaterial: 3D stereo ice silkColor: khaki, gray, black, dark grayProduct configuration: office, car seat cushionWeight: about 580gFeatures:Material - Use elastic double-layer 3D three-dimensional honeycomb ice silk fabric. effectively eliminate hot sticky seats.So you are always cool and dry.Adjustable air volume - The wind power of the ventilated seat cushion can be adjusted in three gears. You can adjust it at will according to the required wind power.Silent operation - The use of innovative noise control technology, effectively reduce the noise generated during operation and improve comfort.Easy to use - Low voltage design, just insert the seat cushion into the USB port, and the fan will circulate cold air to your hind legs and thighs. USB is compatible with various electronic devices, such as computers, chargers and car cigarette lighters.Fit Most Car, Truck, Suv, Van Seat - Standard Sizing Allows Cover To Fit Most Car Seats.Package List:1xCooling Car Seat SuchionNotes:1. Due to the lighting effects and shooting angles, there is color difference in the product, please understand.2. Due to manual measurement, there is a tolerance in the product size.3.Do not use it after folding.