ET-879015C Memory Foam Bed Mattress,memory foam mattress,bed mattress,sponge mattress,bed pad KEYWORDS: Memory Foam Bed Mattress,memory foam mattress,bed mattress,sponge mattress,bed padET-879015C SIZE:190*90 ... /3 of our life time on the bed.this memory mattress show that: when the body is supine,the weight will ...