AUVON Ventilation Seat Cushions. Innovative Breathable Memory Foam for All-day Comfort, Waterproof & Anti-slip Chair Cushion for Back Support, Black 4 Times a Day and will automatically turn off

and will automatically turn off after 20 seconds of no movement

Temperature-sensitive memory foam offers long-lasting support and effectively helps solve the back pressure

1* USB Cable

Motion Detector Included

AUVON Ventilation Seat Cushions. Innovative Breathable Memory Foam for All-day Comfort, Waterproof & Anti-slip Chair Cushion for Back Support, Black 4 Times a Day and will automatically turn offInnovative Ventilation System. The seat cushion is consisting of 30 air holes and 11 ventilated grooves. Help prevent stuffiness and reduce the risk of bedsores. Supportive Memory Foam. This chair cushion's high quality memory foam can well relieve lower back, coccyx, and sciatica presure caused by long sitting. Skin Friendly and Water Proof Cover. Waterproof membrane protects the cushion get dirty from sweat or urine, prolonging the lifespan of the