Spongebob Mini Backpack for Teens - 10” Canvas Spongebob Squarepants Backpack with Front Pocket Plus Bookmark | Spongebob Backpack Purse Bundle. This Spongebob Squarepants backpack set includes a 10” canvas backpack with adjustable shoulder straps, zip closure compartments, front pocket, and top loop for hanging featuring colorful artwork of Spongebob. This Spongebob backpack for teens and adults contains plenty of room to carry your wallet, phone, and any other small items you need to take to a theme park, on vacation, or on the go. Show off your love of Spongebob in style. This Spongebob backpack bundle also includes a bonus bookmark, making the perfect gift set for any Spongebob fan. Officially licensed Spongebob Squarepants backpack set is perfect for fans of all ages, teens and adults alike.