Specifications-Item Type: Seat Covers-Material Type: 3D Spacer Mesh Fabric & Leather-Voltage: 12V-Color: Black，Beige，Coffee-Sizes: As the picture shows-Placement on Vehicle: Front SeatsFeatures- With 4 BUILT-IN FAN fan & 3 speeds- 40-50bd Super silent design- NON-SLIP BOTTOM & STRAPS -This cooling seat cushion has non-slip rubber bottom and adjustable straps to secure it to car seat- BREATHABLE LAYERS DESIGN - Special ventilated & cooling layers solves the problem that air vents blocked by human body compared to the normal cooling seat cover to effectively eliminate hot sticky seats. 3D Spacer mesh cloth gives its the outstanding support force and ventilation function to keep your body from retaining heat from your seat.FitmentUNIVERSAL FIT - This Cooling Seat Cover is universal size and fit for most vehicle seats or chairs. It is suitable for 12V automobile Car, truck, MPV, bus or boats.( Only works in 12V cigarette lighter or AC adapter. )