This Thermal Tumbler is made from double-walled stainless steel. Copper-lined vacuum insulation keeps drinks hot or cold for hours. Includes a clear push-on acrylic lid with swivel closure. Tumbler are designed with a powder-coated finish. Swivel closure on lid and tumbler color coordinate. Capable of fitting into most cup holders. Size: 17 oz. Hand Wash Only. Your mornings or evenings just reached a whole new level. Imagine yourself in the rainforest while drinking from this fashionable tumbler. Our Vacuum Mug keeps up with you from morning pick me up to daily hydration to night cap. Perfect for any adventure