【Medium Firm Plush Feel】Full bed mattresses are fully expanded 75*54*10 inch(LWH) approax. Vesgantti luxury mutilayer foam and pocket spring support systerm of full bed mattress provide medium firm yet comfortable feelwhich will protect and support your lumbar vertebra and back from pain. 【Individual Pocket Spring】Innovative zoned spring support system with ergonomic design of full bed mattress is constructed by hundreds of individual pocketed stainless spring coils. Each spring work independently to offer an all-over and even support to 7 parts of your body (Feet, legs, hips, waist, shoulders, neck, head). Excellent shock-absorption and resilience, cater your vertebra well, help adjust and correct your sleeping posture. 【Breathable and Healthy】This double mattress is designed with multi-layer foams and pocket spring which increasing good air circulation and breathability. It keeps body comfortable and dry and provides a cooler sleeping environment. This double bed mattress contains no fiberglass, which means a healthier sleep environment.