Adult lock. Prevents accidental spilling. Child deterrent. Rounded scoop button for easy pill removal. The unique patented design of the 7-Day Locking Pill Reminder features a locking device that prevents pills from spilling inside your purse, briefcase or suitcase. The locking device also works as a child deterrent by making it more difficult to open than a pill reminder without a locking device. Each lid features a large imprinted letter designating the day of the week. Can be used with or without locking device.