Serta Raised Air Mattress with Never Flat Pump Two pumps in one bed, patented neverFLAT pump system silently keeps your airbed inflated all night Primary pump automatically inflates and deflates your airbed in less than 4 minutes, secondary neverFLAT Pump monitors and silently maintains the air pressure to your desired comfort level while you sleep Convenient auto-shutoff feature on primary pump automatically turns the pump system off when the airbed is fully inflated or deflated. Top material: soft 0.025inches flock 35 circular coils create a supportive and level sleep surface, durable flocked top provides a soft and comfortable sleep surface that also keeps your sheets in place, made from quality materials that are puncture and water resistant to ensure a long life Durable flocked top provides a soft and comfortable sleep surface that also keeps your sheets in place, made from quality materials that are puncture and water resistant to ensure a long life 18" raised height makes getting into and out of bed easier; Included carry bag for convenient storage and travel, Queen Dimensions: 80"x60"x18" Questions? Please email our Customer Service Team at Contactus@Wenzelco.com or by phone Monday-Friday 9 AM - 5 PM CST at 1-800-325-4121