Lululemon Everyday Lightweight Unisex Backpack NEW. Lime Green in color with Black Accents. Measures 19" X 16". Features adjustable straps. The front has an expandable Zippered pocket. There is a bottle pocket on side with elastic at the top. The top cinches up with a strap. There is a zipper pocket on the inside. Very roomy and lightweight. Also waterproof. Unisex.