Nestle Aero is the bubbly chocolate bar made purely from milk chocolate. The chocolate bubbles inside the smooth chocolate shell melt effortlessly in your mouth. 143 calories per bar. Each bar is individually wrapped. Each multipack contains 4 packs of 27g Aero chocolate bars. Bubbly milk chocolate Chocolate bubbles inside a smooth chocolate shell Each bar contains 143 calories Each bar is individually wrapped 27g per bar Pack of 4