Loungefly Spongebob Square Pants Pineapple BackpackQO) Awesome, exclusive, and hard to find, Loungefly Spongebob Square Pants Backpack. This backpack is so adorable and fun. When you see it in person, you are going to love it. The door on the front opena up ans you can see Spongebob inside the door. It has 2 zipper compartments, 1 large and 1 small one on the front. It also has adjustable straps on the back. This is a great backpack to give as a gift.