Product Dimensions: Length (198.12 cm), Width (152.4 cm), Height (12.7 cm). Primary Material: Coir. Bed Size: Queen. No Assembly Required: The product is delivered in a pre-assembled state. An Extra Firm Queen Bed Size Coir Mattress is a type of mattress that is designed to provide a high level of support for the body during sleep. The mattress is made from natural coconut coir fibers, which are bound together with a natural latex adhesive to form a dense, firm layer of support. The mattress is also eco-friendly, as it is made from natural materials that are sustainable and biodegradable.