Silicone material is eco-friendly and high temperature resistant, it can withstand a high temperature at 230 degree. You can easily fold and store the products made with this flexible material without deforming them, so you save space in the kitchen. Silicone doesn't break like glass and doesn't rust like metals. Products manufactured with silicone withstand high temperatures: -60 C and 220 C. Its versatility and ability to withstand to high temperatures make it safe to use in the microwave, oven, dishwasher, refrigerator and freezer.