This is a two in one food warmer. It can accommodate two feeding bottles at a time. It has in it a vacuum flask that keeps the food warm. There is a zip round the warmer and a strap to hold it.It could serve a child from birth to one year. Key Features It can serve twins. The warmer can keep warm two food items at a time. Beautifully decorated with kids character designs. Quite handy. Not heavy. Easily washable.