Marble Collection 500ml/ 17 oz Inspired by nature, the Marble Collection features a shiny, high-gloss finish that mimics natural Black Marquina Marble. Vitality's water bottles are designed to be part of your daily carry from work to home, or yoga to errands. Eco-Friendly BPA/BPS-Free and reusable Double insulated technology Vacuum-insulated, high-grade 18/8 stainless steel 24 HOURS COLD/ 12 HOURS HOT Keeps beverages colder or hotter, for you to enjoy No sweat Condensation-free, the exterior will remain dry