Can be worn cross body or around the waist. Each bum bag is handmade and built to order in our Edinburgh studio. We use high quality, UK sourced yarns to create our recognisable designs and waxed cotton material lines the back and inner. Our waxed cotton is sourced from just down the road in Dundee from Halley Stevensons. Sizes: Dimensions - 9" x 5" Strap Length - 20" - 35"