Buenos Aires is made with cotton on the upper part and synthetic leather on the bottom. On the top, the reinforced fabric is resistant to rain and water, making this backpack WATERPROOF. Shoulders straps, made of synthetic leather, are fixed to the backpack with metal snap-hooks. Remove the hooks and transform it into a shoulder bag with ease. Dimensions: 29 cm high closed and 45 cm open x 33cm wide. Shoulder strapes adjustable, max 83cm long.