Show Your Love For Bikini Bottom With a Spongebob Backpack Show your love for the world of Bikini Bottom with a cool Spongebob Backpack. These backpacks come in all shapes and sizes, with a variety of features that make them convenient for carrying school supplies, books, or anything else you need. This Bubble Check black backpack from Sprayground is made of water-resistant PVC fabric, with sublimated checkerboard print and SpongeBob SquarePants graphics. It has a main zippered compartment with a laptop sleeve and two additional pockets. Spongebob Bag The Spongebob bag is a fun and innovative way to transport your school supplies. It can be personalized with a photo and is made from durable materials that make it ideal for kids of all ages. Whether you’re heading off on a boating school trip or just bringing your laptop to the office, the right backpack is essential to keeping your valuables safe. Our selection of Spongebob bags features a variety of designs that are sure to delight any fan of this popular animated character.