Food Grade Stainless Steel Material & BPA Free Splash-proof Lid -- Safe to drink, convenient to take out
Keep Drink Warm or Cold -- Double wall stainless steel insulated design, can keep warm for 6 hours and stay cold for 12 hours
302℉ for 5-10 Minutes to Sublimate -- The max temperature of the shrink wrap is 302℉/ 150℃ for 5 to 10 minutes. The time is determined by the performance of your oven, and make sure the temperature doesn’t exceed 302℉, otherwise the shrink film will melt