["? Eco-friendly and Safe: The instant hand warmer is made of high-quality PVC material, which can be stored for a long time and not easily deformed. With a max temperature of 54°C, it's safe and eco-friendly, no worries about getting burned, and more gel means they'll stay warm longer.", "? Eco-friendly and Safe: The instant hand warmer is made of high-quality PVC material, which can be stored for a long time and not easily deformed. With a max temperature of 54°C, it's safe and eco-friendly, no worries about getting burned, and more gel means they'll stay warm longer.", "? Eco-friendly and Safe: The instant hand warmer is made of high-quality PVC material, which can be stored for a long time and not easily deformed. With a max temperature of 54°C, it's safe and eco-friendly, no worries about getting burned, and more gel means they'll stay warm longer.", "? Eco-friendly and Safe: The instant hand warmer is made of high-quality PVC material, which can be stored for a long time and not easily deformed. With a max temperature of 54°C, it's safe and eco-friendly, no worries about getting burned, and more gel means they'll stay warm longer.", "? Eco-friendly and Safe: The instant hand warmer is made of high-quality PVC material, which can be stored for a long time and not easily deformed. With a max temperature of 54°C, it's safe and eco-friendly, no worries about getting burned, and more gel means they'll stay warm longer."]