This self inflating sleeping pad features a luxurious 3.94-inch thickness with fully inflated dimensions of 78.74 inches long and 28.56 inches wide, providing optimal support for restful sleep. The built-in 5.51-inch pillow ensures proper head and neck support. Quick inflation within 30 to 60 seconds using a convenient foot pump design eliminates the need for additional equipment. The deflation valve features a double-decked design for fast deflating. Crafted from 40D nylon with Tpu coating, this camping mat is waterproof and puncture-proof. The special inner I-beam structure and thermoforming sealed edges support up to 440 pounds. Connection buttons on both sides allow seamless connection of multiple air beds to create a larger sleeping area. After deflation, the sleeping mat measures compactly for easy carrying on outdoor adventures.