The cute and fashionable ZOJIRUSHI x HELLO KITTY® stainless mugs are equipped with high quality double wall stainless steel vacuum insulation construction that keeps beverages hot or cold for hours. The tight-fitting flip-open lid with safety lock makes drinking from the mug easy, and prevents beverages from spilling.

• Lightweight & compact design for added portability
• 2-step lid release process prevents excess condensation on the stopper from being flung off while the lid opens
• Tight-fitted flip-open lid keeps beverages hot or cold
• Safety lock to prevent the lid from opening accidentally
• A special manufacturing technique was used to round the bottle opening, making it smooth and comfortable to the touch when cleaning
• 1-5/8″ (4cm) wide mouth opening accommodates full size ice cubes, and is easy to fill
• Easy-to-clean double layer nonstick coated interior enhances durability, and provides greater protection of the stainless steel against salt-containing beverages like sports drinks
• Made of BPA-free plastic and 18/8 stainless steel