4Pcs oven mitts and pot holders set are heat-resistant up to 550 °F. The thick cotton lining is soft and sweat-wicking, flexible, and breathable. The silicone material is waterproof and anti-scalding, and can be hand washed and machine washed without deformation.15 inches extra long design, easy to wear, better protect your arms, and let you enjoy the fun of cooking. These oven mitts pot holders are also a great birthday, Wedding, Thanksgiving, Christmas, or Housewarming gift for the people interested in baking.