Nurses do so much and are often taken for granted. Happy Heart 20 oz tumbler is the perfect way to say thank you to a special nurse, or buy for yourself and be proud of your profession. Our tumblers feature double-wall vacuum insulation with a clear lid. The mug has a narrower bottom to fit most standard cup holders. It is BPA and lead free and is constructed of 18/8 gauge stainless steel. Each tumbler is designed and printed individually using the latest technology in UV Printing.