This item has been stored at home for a long time without being used. ● It employs a "push-lock" system with special hooks to prevent tampering with diapers. ● The lock can be opened and closed without using any tools. ● The open zipper from the chest to the ankles allows for easy dressing and undressing for bedridden individuals. ● Diaper changes can be performed by opening the zipper that extends across both legs.