This backpack from JanSport is perfect for SCHOOL, travel,, WORK or casual use. With a large capacity and adjustable straps, it's great for carrying books or other items. The exterior features a colorful floral pattern with blue, pink, and denim accents, while the interior is lined with gray canvas. The bag has a top handle and wide padded shoulder straps for comfortable carrying. The backpack has a zip closure and includes a bottle pocket for added convenience. Its design is inspired by nature, with a theme that includes flowers, gardens, and art. Whether you're going to school, college, or the beach, this backpack is a great choice. Get the look of denim and the comfort of polyester with this stylish backpack. I have tried to measure accurately. When expanded, from front to back is about 7" (holds quite a bit). About 16.5" tall. Across bottom is about 10". From side to side is approximately 12.5".