... grade silicone 2. Endure -40 to 230 Celsius 3. Portable,foldable 4. FDA, LFGB approved Products Name Silicone Foldable CupColorAny PANTONE color ... -resistant, flexible, durable.3.Very good touch feeling, polish.4.FDA, LFGB approved5.New designs, long service life, foldable to save ...