100% Pure Copper Ayurvedic Water Bottle - Leak-Proof Seal Cap - 18 Ounce 550mL Feel amazing from the ayurvedic benefits of copper! Perfect size holding 18oz - 2.5" diameter, 8.75" tall 100% pure copper - tested for purity LEAK-PROOF guarantee - sealing cap! World-class customer service - we're here to help!