sale on king size mattress near by salai road growell beds and furnitures trichy Coir mattresses are made from coconut coir fibers, which are extracted from the husks of coconuts. These fibers are known for their resilience, breathability, and natural firmness. Coir mattresses provide excellent support and ventilation, making them ideal for hot climates or people who tend to sleep hot. They also offer good spinal alignment and are relatively eco-friendly due to their natural composition.