Silicone Collapsible Cup 1. food-grade silicon 2. tasteless, durable 3. heat resistance 4. Harmless to body,eco-friendly Silicone Collapsible Cup 1.100% food grade silicone,non-toxic and harmless.2.Ware-resistance and heat-resistance,very durable.3.Very good touch feeling,polish.4.High quality and factory price5.New designs, long service life, foldable to save your space6.Temperature range:-40°C ...