特点：
1.采用硅胶制做。
2.无害，健康，环保、无任何气味。
3.耐磨、耐摔，耐高温可达220度、耐底温可达-30度
Features:
1. made of silicone.
2. harmless, healthy, environmentally friendly, without any smell.
3. Wear-resistant, drop-resistant, high temperature up to 220 degrees, at the end of temperature up to -30 degrees
