luxury mattress store neay by srirangam growell beds and furnitures Coir mattresses are made entirely or primarily from coir fibers, which are derived from the husks of coconuts. These fibers are processed and compressed to create a supportive and firm mattress. Coir mattresses are known for their firmness, which can provide excellent support for your body during sleep. This firmness is particularly beneficial for individuals who prefer sleeping on a firmer surface or those who require extra support for their back