The LONG WHITE ENVELOPE! This is how the prize notification
letter usually arrives.
This is the item purchased to allow an entry where a
purchase must be made.
Usually the till receipt, label, or piece
of the qualifier wrapper, that shows a purchase has been made.
An entry form.
These are a
loose leaflet (usually displayed in a rack near the promotional product); on-pack (e.g. cereals);
printed in newspapers/magazines' small labels stuck-on promotional packs (bacon/cheese
etc.); or bottle neck collars