Made of 100% natural latex Naturally derived from rubber trees in Malaysia. No synthetic materials: chemical free, no harmful side effects. Natural ventilation system Superb air circulation, releases heat and moisture allowing you to stay cool and comfortable. Durable and long lasting Minimal wear and tear, returns to original shape after use. Providing you with years of good nights’ sleep. Resistant to bacteria and dust mites Natural antibacterial and anti-dust mite properties. No more sleepless nights worrying about allergies. Environmental-friendly Made from natural, renewable resources. Completely biodegradable, not harmful to the environment.