specifications 1) by 100% silicone 2) easy to clean and useful 3) endure -40c - 260c 4) all colors are by 5) welcome OEM In 100% food-grade silicone Material is suitable for the food and drug administration (FDA). SGStest It's safe for boiled eggs Standing high temperature Non-stick finish Available in various colors&sizes Rapid cooling, easy to clean Welcome OEM orders