Self-storage operator StorageMart continued its quest to support charitable organizations and discover how much stuff really fits into a storage unit with the second installment of its creative YouTube series, the focus of which is How much bubble bath fits in a storage space?

In honor of National Bubble Bath Day, which was Jan. 8, StorageMart packed a storage space full of soap and other personal-care items, which were then donated to the Hope House, a womens shelter in Kansas City, Mo. In a previous video, the company filled a unit with more than 1,500 pounds of Thanksgiving dinner.

The most recent experiment revealed that a storage unit can hold any one of the following:

StorageMart has big plans for the video series in 2012, continuing to find interesting ways to fill storage units and donate to local charities. The company is a full-service self-storage provider with more than 130 locations in the United States and Canada that offers moving and packing supplies in addition to storage. The company also funds the StorageMart ScholarSmarts program, which annually awards $10,000 in educational scholarships.