Great product! Although ends and dimensions adapted to "more than 1,80m" :-) Rapid inflation (blow 7 to 10x) ---- Deflate: Wind and pressure with the knees, about 1 minute. Umm ..... for those who could not do it (eg for a nap) .... Go for ... 1 sofa, lounge chair ... In short, this is a very good compromise value.