Suck Up Gifts Keep Calm I'm an Engineer Stitched Leather 6oz Stainless Steel Flask Premium 6oz stainless steel hip flask in plain black gift box Hand stitched brown faux-leather lased embossed. Embossing may have slightly different coloring than image due to different cuts of leather. Welded joints and leak tested Approximately 4-1/2" x 3-5/8" Great gift for engineer or techie