The present invention relates to a pouch type case having trimming portions formed on both sides or four corners thereof and a battery pack including the same. In particular, the present invention relates to the nutritional compositions intended for children with an impaired function of the gastro-intestinal tract. The intermediate layer is formed from a non-magnetic conductor. The settlement terminal has a function of executing transfer among the POS user terminal 41, the advertisement shop account 42 and the mediator account 43. The adjustment devices are controlled according to the value of relative displacement in order to produce predetermined adjustment movements. In this reflection and loop back structure, a plurality of input optical signals are reflected accurately by a coupler film and are outputted.