... made of silicone Its flexible, grippy, strong and safe Hot Heads Insulating Mitt / hippo face shaped silicone pot holder Product Descriptionfollow ... smile on your face while they're at it! HOT HEADS are flexible, grippy, strong, safe...and charming.hippo face shaped ... USA, South America, the Middle East, and Southeast Asia. Hot Heads Insulating Mitt / hippo face shaped silicone pot holder