The present invention provides a container including a housing with an opening
and a wall. The wall includes an inner case 2 fitting into an outer case
1 while leaving a given distance therebetween to form first and second chambers.
The first chamber 3 is located around the periphery of the opening of the
housing. Further, a capsule 4 is housed in the first chamber 3. First
and second substances capable of chemiluminescence upon reaction with one another
are contained in the capsule 4 and in the second chamber 6, respectively.
