Our silicone baby cup is made of 100% food grade silica gel, meeting the highest food safety standards FDA and LFGB. BPA-free, PVC-free, phthalate-free, and lead-free. CONVENIENT - Silicone can withstand low and high temperatures, easily transitioning from the refrigerator or freezer to the oven or microwave, Oven safe up to400 degrees.Top-rack dishwasher-safe.