__ Foam, Mattress Material That Remembers

Puzzle 1 of Soft Things Piece of Cake Pack

Question is: __ Foam, Mattress Material That Remembers

and the answer is: MEMORY

Word Meaning:

MEMORY — (uncountable) The ability of the brain to record information or impressions with the facility of recalling them later, usually at will.

Definitions from Wiktionary.