Only used once. 13 1/2"H x 8 1/2"W x 3 3/4"D. - Topo Designs makes functional and good-looking accessories for adventures in cities, mountains and back again. This technical (and sized-down) daypack is a smaller version of the brand's signature Rover backpack. It's made from water-resistant fabric with a cinch closure, built-in laptop sleeve and water bottle pocket. Cotton.