You are literally putting your brand in your customer's hands by handing them personalized coffee mugs as promotional giveaways. Be sure that with this gesture, they'd put what you've placed in their hands into good use and bring back positive ROI in terms of brand recognition, brand visibility, and brand loyalty.
Everyone loves a beautifully branded coffee mug for office, home, and recreational use and as such are perfect gift items for employees and customers alike.
It enjoys daily utility and so you can be assured that your personalized mugs would help your brand reach a wide audience at any time. They are also perfect as amazing drinkware for restaurants and cafes.