Although not tested in real conditions is a quality plastic. I did not understand before we put plastic under the seal unless it be for the purpose of a booster; because in case of pee can do better. The bezel and the seal remains strong, unlike some I read a low hair like every seat camping and taller version hard at home. The ik is actually saves space genre in a van or MPV. On to even a scrap that serves door pk sitting down to left or right to serve reel toilet paper. The weight is light; no need to have a whole range of pk or even water to go to the throne; sawdust and we can find the bag can well replace a suitcase too madame ash also kind of fireplace or stove; of the land there is even everywhere there is not even a tiny creek or even a tap. VAT 763 or 4577. This is very I can not remove a postage Star 12 past and invoice 1070 net carriage ????? 763 of VAT is a final total of 4577 which begins to limit Grrrrrrr PS window and down bowl; if we want to sit as on a chair; then will put a small wooden blocks under otherwise the contour and becomes a semboîte can limit. Remains well short of the plastic quality.