Nappy bag

"If either of them dames had a bag like that I'd have remembered. Couldn't forget it. Reminds me of a nappy bag." "It's too bad, Miss Martelli," murmured Bony.

Fold up the collapsible wheels and put them in the boot, and stash the bags - my handbag, the nappy bag (with a drink of fruit juice just in case), and the shopping basket - into the car.

[a bulleted list] A nappy bag (small plastic bag) to put the soiled nappy in (for the rubbish bin if disposable or, if it's a cloth nappy and you're out and about, for storing the nappy until you can take it home and put it in the laundry tub, ready for cleaning - by you)