Haw. Rev. Stat. § 332-1
The term "mattress" as used in this chapter means any quilted pad, comforter, mattress, mattress-pad, bunk quilt, or cushion, stuffed or filled with wool, hair, or other soft material to be used on a couch or other bed and on which persons sleep or recline; provided that:
[L 1927, c 234, §1; RL 1935, §1190; RL 1945, §2471; RL 1955, §55-1; HRS §332-1; am L 1988, c 20, §2]