Transform a promotional item into a treasured gift by pairing it with a customized gift box. This 6.75" x 3.415" stainless steel tumbler has a polypropylene lining, non-skid base, and a slide-action spill-resistant drink through lid. The double-wall insulation will maintain the temperature of 20 ounces of a hot or cold beverage for up to four hours. Create a customized 3.5" x 3.5" x 6.938" gift box and add your organizational or company logo or message to the tumbler to create a unique branded duo. Tumbler is FDA certified and BPA free.