Sourz Watermelon Liqueur 70cl is a refreshing burst of sweet and tangy with an eye-catching colour that compliments its flavours. A fun addition to any party. This liqueur makes for a great chilled shot or for mixing in a creative cocktail. The Sourz Watermelon Liqueur 70cl is a for those who love experimenting with exotic spirits. The Perfect Serve: Best served neat or mixed into a Watermelon Cooler.