Ti-King's titanium cup lid is made of pure titanium (≥99.6% purity) with a maternal and infant-grade silicone seal. It is certified by FDA 21 CFR 177.2600, LFGB, and GB 4806.7-2016. Laser-cut and integrally molded, Ti-King's cup lid releases only 1/8 the heavy metals of stainless steel in acidic environments. The silicone ring withstands extreme temperatures ranging from -40°C to 230°C and is BPA-free. The lightweight outdoor model utilizes laser-cut, integrally molded technology to ensure product precision. Ti-King's cup lid is compatible with titanium coffee cups and cookware, supporting full ODM/OEM customization, from opening and closing methods (magnetic/rotating), sealing structure, and surface texture.