The Lululemon Clean Lines Belt Bag 2L is a travel bag made from water-repellent nylon-polyester fabric with a 2-liter carrying capacity. It has adjustable straps so it can be worn across your waist or as a crossbody. The bag has an exterior zippered pocket to secure your valuables and interior pockets to hold the essentials. It also has a two-way zipper and elastic loops to tuck the excess belt bag strap into. The bag measures 20cm x 6.5cm x 15cm (7.9" x 2.6" x 5.9") and the strap length when fully extended is 100cm