... with certificate 4.100% top grade silicone Silicone cup lid Description: 1.100% food grade silicone materials.pass FDA&SGS Standards.2.Temperature ... ,adiabatic,hygienic,eco-friendly4.Safe to use in ovens,microwave ovens,dishwasher and freezer.5.Tasteless.nontoxic,anti-dust, ... foldable. Color Any color available Material 100% food-grade silicone Size 85*77mm Logo printing,emboss,deboss,laser engrave are ...