Sea to Summit Ultralight Mat Sleeping Pad with Inflation Pump Sack30D 40D Nylon NEW Air Sprung Cells provide unrivalled comfort and support. The UltraLight Regular is designed with 181 air sprung cells. Multi Function Valve integrates inflation and deflation plus pressure adjustment into one low profile design. Extruded TPU Lamination with Antimicrobial treatment prevents delamination and internal bacterial growth. Integrated Sea to Summit Airstream Pumpsack and a repair patches included SPECS: Size: 78 in x 25 in x