Helen is a really versatile bag. She has two very spacious outer pockets and a secret pocket in between. With a cross body strap and magnetic closures, security is optimum. 
Are you a dog walker?  Add your essentials to the outer pockets, and pop the necessary special bags in the centre pocket so they are accessible as soon as you need them. Dress it up or down - this bag is perefct. Ideal for any gender, it would be fabulous made with fun fabrics for children and/or teenagers.