Who purchased the bags and the same mark in the size underneath with some setbacks (see my review) I found these models too small, so I changed to the model above and I must admit that I still had problems. These models are very large and the opening is made on the length, so very accessible, you can easily return to it duvets 2 2 people and it is a big highlight. The wound is closed with a zip and a clamp for smooth, easy and convenient. Unfortunately as the other model, I had leak problems on at least 3 of 6 models. In all cases, the bag appears too thin, the simple fact of the empty thoroughly creates tension on the plastic that causes tiny holes (which are easy to repair with a simple tape) Also the plastic is so thin that abyss for procedures and I tore 2 (fortunately it was those fleeing). For others, they take superbly well for several weeks without re-inflation. So when it's good it's great, but unfortunately 6, a few too many losses.
