FUNDANGO Lightweight Compact Self Inflating Sleeping Pads for Camping Backpacking Hiking A BUILT-IN PILLOW: The attached Pillow offer extra comfort and convenience ideal for Camping, Hiking, Outdoor. Self-Inflating: Self-inflating/deflating free-flow valve, no pump needed (except inflating pillow). SPLICED: With the snap fastener design, 2 mats can be buckled together to make an extra large one. PORTABLE: This camping mat with a carry bag only 2.3 lbs and package size is 11  7.1  7.1 inchesn, easy to carry. Attention: Because of the extrusion in the transport, please beat the pad to expand it when first used; For increased firmness, sleep pad can be manually inflated by blowing into the valve. Close valve can maintain firmness.