This Gentleman's Hip Flask would make a great gift for your suited and booted co-worker. This image appears in the gallery:Secret Santa Gift Guide: Presents Under £10 7. This Gentleman's Hip Flask would make a great gift for your suited and booted co-worker. The hip flask is priced at £8.95 from dotcomgiftshop. 10 images See the full gallery: Secret Santa Gift Guide: Presents Under £10