Emarth Self-Inflating Air Mattress Sleeping Pad Mat with Built-in Inflatable Pillow for Outdoor Camping and Indoor Use Self-Inflating/deflating pad with free-flow valve, no pumps or electricity needed. However, it needs manual inflating for the integrated pillow. Ultra lightweight and compact design, filled with bayer high resilience foam, stereo breathable perspiration, spot bonded surface, all together keeps you comfortable. Measurement: Opening Size: 76.8 x 26.4 x 1.2 inch. Roll up Size:26.4 x 5.1 inch. Ideal for camping, hiking, beach, picnic, travel, indoor use, outing napping, etc. What you get: Self-inflating pad, carry bag, repair kit, reliable and friendly customer service within a 24 hour time frame, 30-Day money back guarantee, 12-month warranty and lifetime support guarantee.