Abstract: A cap seal and a doubly-sealing apparatus of a container such as a drum using the same, which execute a reliable sealing function of a cap part of the container such as the drum. Double sealing of the cap part of the container such as the drum due to the cap seal is fully performed despite various errors such as the difference in the curling external diameter of the cap part of the container.

Abstract: A cap seal and a doubly-sealing apparatus of a container such as a drum using the same, which execute a reliable sealing function of a cap part of the container such as the drum. Double sealing of the cap part of the container such as the drum due to the cap seal is fully performed despite various errors such as the difference in the curling external diameter of the cap part of the container.

Abstract: A portable toilet used in outdoor activities including driving, camping, and fishing, and in time of disasters such as earthquake is provided, which portable toilet can be provided inexpensively as the structure of the toilet seat portion to be installed on a pail can is very small and thus can be mass produced at low material cost. The portable toilet is convenient to carry around since the toilet seat portion can be accommodated in the pail can when not being used. The portable toilet includes a pail can 1 configuring a toilet bowl body, a stool accommodating plastic bag 2, and a pair of toilet seat configuring left half-body 11 and a right half-body 12 facing each other on the left and the right.