Inspired by nature. 99% resistant to bacteria. Safe & sustainable. Lasts a lifetime. Folds into handle for travel. Our antimicrobial self sanitizing technology uses zinc, an essential trace element that is necessary in our daily diet. The surface becomes 99% bacteria free within 24 hours. All natural. Natural - Only a trace amount of food grade natural zinc. Biocompatible - An essential mineral in food, vital for our health.