Introducing the ASOBU® Happy Hats Cap ! The perfect blend of fun, style, and function-keeping your favorite drinks at just the right temperature while adding personality to your drinkware collection. This mug features a cap-shaped lid that adds a unique and playful twist to your daily routine. Made with double-walled stainless steel, and a ceramic inner coating, the ASOBU® Happy Hats ensure maximum insulation, keeping your drinks hot or cold for hours. The spill-proof lid and ergonomic handle make it the perfect companion for both home and on-the-go use. This item also features our innovative Ceramic Inner Coated Technology - Puramic, eliminates metal taste.