Silicone products are 100% (percent) washable and dishwasher safe.
Silicone is a versatile material, it can withstand both hot and cold temperatures.  Silicone products can withstand extreme temperatures way to 260°C and down to as low as -40°C without deforming.
Excellent heat-resistance, non-stick and easy to clean, user-friendly to non-stick cooking pots, etc. that’s why silicone cookware is so popular. Silicone kitchenware can also be Microwave and freezer safe.