Purina ONE first appeared in the shops some three or four years ago. If I remember rightly, it was then packaged in a sort of glossy chocolate brown bag. After a while it became very hard to get and then disappeared completely, which was unfortunate if you had just managed to find that it suited your cats (or dogs if you chose that variety).

Recently it has reappeared - now clothed in metallic royal blue and complete with one of those sealable tops. In fact, I never leave the food in these bags anyway, as I find it easier to transfer it to a container - and there is less likelihood of my spilling...