Tips and deals of the week: Colombia comes to London, Go Travel Sleep Set and Coillabus cottages Colombia comes to London with events at the National Geographic Store and a coffee hacienda at Victoria station, 19 July-16 August. Colombia.travel Inject some style to your travel accessories. Go Travel's Sleep Set (pillow and mask) comes in pretty patterns. £9.99. Go-travelprodcuts.com The cottages Coillabus are two new turfroofed stone cottages on the Isle of Islay, complete with hot tub, sauna and contemporary interiors. Coillabus.com