1.100% silicone rubber . 2.FDA,LFGB,SGS approved . 3.Eco-friendly,waterproof . 4.Heat resistant . 5.Coffee maker accessories Nonstick coffee maker accessories: features:1.100% high quality food-grade silicone rubber .2.Certifications:FDA,SGS,LFGB,ROHS.3.Eco-friendly,waterproof,and healthy.4.Heat resistant,no harm to body.5.Nonstick.6.Any color and design is available ,customized shapes and colors ...