Dometic's 360° cap is open all around, so you can sip from every angle. Simply click to open, quench your thirst and click again to close. The cap is 100% leak-proof and can be stowed in your bag or backpack with peace of mind. Included in the delivery kit of the Dometic THRM 50 thermally-insulated bottle, it also fits the Dometic THRM 90 / THRM 120 / THRM 192 models.