Guard your curious little explorer! Our triple-protection refrigerator security system designed for children aged 0-12 features high-density ABS engineering plastic + food-grade silicone materials with 50N*cm tensile strength. Magnetic quick-install design allows 3-second full protection for refrigerators, cabinets and storage boxes, compatible with 90%+ household models. Unique anti-slip groove design prevents accidental dislodgement even with vigorous pulling. Built-in pressure sensor triggers 90dB alarm when pull force exceeds 15N. Certified to GB 6675-2014 toy safety standards (BPA-free, heavy metal-free). Includes visual installation guide and backup sealing tape for effortless setup.