16 OUNCE OF PURE JOY: As you sip your morning brew, or evening cuppa it’s only natural to feel a little instant joy as your hot drink passes your lips. But the Declan Glass Cup with its comfy handle, satisfying rim, and shatter-proof, lead-free glass means the more you sip, the more you sink into pure joy.EASY GRIP HANDLE: If you prefer to wrap 2-3 fingers around your coffee cup handle instead of barely even one, the Declan 6 Piece Coffee Mug Set with its 2 x 1 inch gap was made for you. And you’ll also like that you can grab the handle straight from the microwave without touching the hot glass sides.PRODUCT SAFETY : At JoyJolt we care for our customer's safety, which is why we recommend the perfect temperatures to make your hot beverages, 195 to 205 Fahrenheit are the recommended temperatures for our product but we have gone above and beyond, our Coffee can withstand a temperature of up to 295 Fahrenheit, it important you have to wait at least 3 Mins to change from hot temperature to cold temperature.ERGONOMICALLY SIZED: These hot coffee cups are dishwasher safe. But, if you want to handwash, the top is 3.9” wide so you can fit your hand in. The entire glass is 4.85” tall with a 3” flat base that won’t rock or tip. And the rolled edge rim is 1/8 inch thick. Robust, and incredibly satisfying to drink from. Empty, each coffee and tea mug weighs a tiny 0.1oz. Not heavy to hold, and obviously not flimsy.LIFETIME GUARANTEED: This 6 Piece Coffee Cup Set (16oz) comes safely packed in a polyfoam inner and sturdy box. And they make nice Christmas Gifts, Birthday, Mothers or Fathers Day, and Housewarming Gifts. Or, just for anyone who adores hot drinks and nice cups. And as you’ll notice in all JoyJolt reviews, you also get our exceptional customer service, and Lifetime Guarantee. Imbibe Joy – with JoyJolt.