Vera Bradley Essential Large Seashells Mulitcolor Work Travel School Backpack The Vera Bradley Essential Large Seashells Multi-color Backpack is a stylish and practical accessory for women on the go. Made from cotton, this large-sized backpack features a vibrant multicolor exterior and lining, perfect for adding a pop of color to any outfit. With a zip closure and comfortable cotton handle/strap, this backpack is ideal for work, travel, or school.