silicone coffee cup 1.100% silicone +ceramic 2. nontoxic, odorless ,dustproof 3. waterproof, heat resister Food standard reusable&High quality silicone coffee cup silicone coffee cup, is ceramic add silicone , simple and ... % food grade silicone with FDA. Tasteless, non-toxic, non-sticking, impermeable, dustproof, antioxidization, stable performance.2.Enjoy an eco-friendly, whimsical coffee cup in a ...