Features: - Keep your travels smooth and your style cool with the Sierra Collection. Classic Corkcicle silhouettes are now available in hues inspired by nature, designed for adventure, and made to last. - Triple insulated. - Wide mouth for ice cubes. - Easy grip flat sides. - Non-slip silicone bottom. - Sliding, shatter-proof lid. - Cup-holder Friendly. - Monochromatic Tumblers feature new tougher-than-ever finish.