High heat resistant: BPA free, the silicone tips are ultra heat resistant up from -40°F -446°F, you do not have to worry they will melt if you accidentally leave them in the pot for the highest quality silicone & stainless steel. FDA-approved silicone heads cannot scratch or damage nonstick cooking pots, pans and woks like metals do. And it is a fresh designed stainless steel which 3mm more thickness than others in the market. Enjoy this deluxe kit of cooking tools where style meets quality.