20% of Mattress Sales in 1987 Were This Wavy Style

This page is the CodyCross answer for the clue below from Germany, Group 2195, Puzzle 2 (Bicycle Pedals).

Question is: 20% of Mattress Sales in 1987 Were This Wavy Style

and the answer is: WATERBEDS

Word Meaning:

WATERBEDS — plural of waterbed

Definitions from Wiktionary.