From its size (a roomy 29.2 x 15.2 cm) and design, I
guess this is a boatbag intended for longer trips. "In case of
travel-sickness", it says in Norwegian and English, "after use
please close the bag and place it on the floor." Unfortunately you'll
risk dirtying your shoes: the bag has a pointy base, so won't stand
Thanks to Graham Curran.