Hongcheng Water bed with macro modified engineering plastic frame, with PU synthetic materials frit water structure, safe and reliable, both has tensile and compressive sex, and strong toughness, anti-aging, and corrosion resistance, collision. Long-term stress in single, double bed of water in the water bed 150kg 350kg, normal use without slashing punctured is not broken leakage, filled with water, after 20 million times above all after vibration test and no leakage phenomenon. It will improve your sleeping quality! Hope for your inquiry