Cooling Seat Cushion for Summer - Cooling air seat cushion has one powerful air intake car fan to suck the air and recycle to the whole seat, distribute cooling air throughout your back and bottom. Cool air flow from the cushion absorbs body heat and reduce perspiration. Providing a optimum comfortable car seat cooler during hot days. - 2 fan speeds for cooling available: High / LowLUMBAR Vibration MASSAGE - Built-in 2 powerful vibration motors to provide lower lumbar massage. Enjoy relaxed massages while driving, it will help to relieve fatigue, tension and soreness muscles from long trip.BREATHABLE 3D MESH - Fix-point vents on back & seat, provide strong concentrated wind. - Unique X-90 structure 3D breathable mesh new concept 3D Spacer fabric to provide outstanding support force and ventilation function, keeps the seat always ventilated, breathable and dry.STRAP & NON-SLIP - Elastic straps for securing cushion to seat, the straps can keep the cushion in place and the control switch is easy to reach and operate. - Back cover material: Anti-skidding fabric - Fits on most vehicles and office or home chairs.AUTO SHUT-OFF TIMER OF 30 MINUTES - Set up a 30 minutes timer for safe use. This seat cooler will automatically switch off massage or Cool after time runs out.UNIVERSAL POWER - Fits with any 12V DC Charging port in your car or boat. Universal size fits almost all chairs and vehicle seats (Cars, Vans and SUV).