Onigiri is originally developed to preserve remains of cooked rice and as a portable food, but nowadays being easy-to-eat is added, and preserving property and portability are not highly regarded.
元々は米飯の残り飯の保存や携行食として発達したおにぎりであるが、最近は食べやすさを加味し、保存性・携行性を重視しなくなっている。