When the package arrived I could not explain what is to be the me was so light and small: D So pack size and weight are indeed absolute bomb, so I was afraid that the estimate holds otherwise nix. Aufpusten ok wants to take any extra pump, went that way. With my breath even if getting inflated, that I do not lay on the floor. Has 3 nights endured without a murmur and grumble, no air loss. Easy to pack quickly, great. The missing point will be submitted when the mat at the three-month tents still behave and do not let you down!