A multi-function paper towel assembly has a frictional component to control paper towel rolling, and a removable spray bottle container that is positioned inverted, and inside the vertical shaft that holds the paper towel. An accompanying funnel may be attachable to the assembly.

The present disclosure relates to the technical field of daily necessities, and discloses a bouncing core device, a detachable connecting device, and a paper towel rack. The bouncing core device includes: moving members, disposed inside first recessed structures at a top of a base, the moving members being connected to the detachable connecting device; and a lateral moving member, disposed at the position where the moving members are located, the lateral moving member being configured to move left and right, and first side faces of the lateral moving member being arranged opposite to second side faces of the first recessed structures. Due to arrangement of the bouncing core device provided by the present disclosure, a smooth detachable connection between a decontamination sprayer and the base is achieved, and the user experience of the paper towel rack is improved.