Orthopedic 7-zone mattress: This 7-zone mattress is ergonomically designed to perfectly adapt to the natural curves of your body and provide even support for all 7 parts of the body (feet, legs, hips, waist, shoulders, neck, head). Take care of your spine, help adjust and correct your sleeping posture. Ensures an optimal sleeping position at all times, whether you sleep on your side, back, or stomach. Spring mattress and firmness level H3: The mattresses use advanced spring technology, with a spring steel diameter of 2.1 mm, providing excellent support and pressure distribution, preventing sagging and ensuring a longer service life. Each mattress has undergone 30,000 roll tests to ensure quality assurance that gives you peace of mind. The spring mattress with firmness level H3 (medium firm) is recommended for weights up to 150 kg. Breathable and healthy: The use of premium materials provides effective anti-mold and bacteria protection, achieving 99.9% antibacterial effectiveness. Healthy and environmentally friendly with high breathability, keeping the body comfortable and dry while sleeping, making it more suitable for babies. Ultra-quiet: Built-in high-quality spring core and slow rebound foam, each spring works independently and can effectively absorb the noise caused by tossing and turning during sleep, no waking up due to noise and effective reduction of your turning time, let you sleep peacefully and quietly. Mattress with high-quality materials: The mattress consists of 9 layers of different materials. Memory foam provides a comfortable body feel; the high-density foam distributes your weight evenly and relieves stress points during sleep. Each material is a high-quality, environmentally friendly material, and these materials ensure that you can have the most comfortable sleeping experience.