Silicone is a wonderfully versatile material, as it is soft for kids to use, unbreakable and microwave, dishwasher and oven safe.Silicone does not contain any petroleum-based plastics or toxic chemicals like those found in plastics such as BPA, Lead and Phthalates. It is also non-toxic to animals and marine life.Silicone does not warp or damage, and can withstand both hot and cold temperatures. It is also resistant to age, sunlight, moisture and chemicals. Silicone is flexible and unbreakable.Silicone has a natural resistance to bacteria, making it safe and hygienic.