An extra chapter I am doing for my work. Not part of the curriculum! :)
床
chuáng - bed
床垫
chuángdiàn - mattress
袋装弹簧床垫
Dài zhuāng tánhuáng chuáng diàn - coiled spring mattress
海绵床垫
Hǎimián chuáng diàn - foam mattress
天然乳胶床垫
Tiānrán rǔjiāo chuáng diàn - natural latex mattress
硬型
Yìng xíng - hard (type, referring to the firmness of a mattress)
中等硬度
zhōngděng yìngdù - medium firm