A Flat Container for a Letter or Card
This page is the CodyCross answer for the clue below from Cosmetology, Group 1768, Puzzle 1 (Liquid Pigments).
Question is: A Flat Container for a Letter or Card
and the answer is: ENVELOPE
Word Meaning:
ENVELOPE — A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
Definitions from Wiktionary.