“SeatoSummit” Brand New Set of 4, Collapsible Bowls and Cups. The 2 Bowls with “Black bottoms” can be used to cook with on direct heat. Tip: Control flame so that it does not touch outside the Black bottom area. 1. Blue, 850 ml / 29 fl.oz. 2. Green, 600 ml / 20 fl.oz. 3. Red, 414 ml / 14 fl.oz. 4. Orange, 215 ml / 7.2 fl. oz. Great for Hiking, Backpacking, Camping, Kayaking, Canoeing, Boating, Mountaineering, Bouldering, Caving, Rock Climbing, Rappelling. i.e. Sea to Summit