Obsession Bonnell Mattress uses fine quality ultralatex for premium comfort, the coir sheet and cotton felt used are natural making it an eco-friendly option. The high tensile bonnell coil springs gives an additional bounce and response to the mattress. The mattress beats stress, fatigue and enhances deep sleep, relieveing any pressure in the body. it is highly durable and breathable allowing for maximum ventillation, available in 6″ and 8″ for a warranty period of 10 years.