Rare - Peter Pan Mermaid Lagoon Loungefly Backpack Preowned in very good condition. Size: 8.75” X 4.5” X 10.5” Her Universe Exclusive This Disney Loungefly Peter Pan Mermaids Lagoon mini backpack is perfect for any casual occasion. The blue backpack features a zipper closure and adjustable strap and top handle. The straps are made of polyurethane and are also blue in color. The backpack has a silver hardware color and a fabric lining.