A flexible bottle for containing a disinfecting liquid that can be used to disinfect a toothbrush. The bottle has a large reservoir for contain the disinfecting liquid and a small, secondary reservoir that is located proximate to the top of the bottle and which can be filled by squeezing the flexible bottle to force a quantity of the disinfecting liquid into the small, secondary reservoir. There is a cap that is designed to accept a toothbrush for entry into the container and which may have a slot formed therein or flexible flaps. The bottle can, therefore, be filled with disinfecting liquid and a toothbrush introduced into the small reservoir for disinfecting the toothbrush. The disinfecting liquid can then be discarded from the small reservoir and the secondary reservoir refilled as needed by the user.