The Artemis Set is a wonderful Crossbody Bag but if you want you can also make it a Backpack with the Back Straps . The cover is 26cm with a short handle on and a metal clasp . The base is 26X10cm and the strap is adjustable with diaton and two wonderful metal hooks. All that remains is to combine it with Heart Yarn or Midi Cord, you will need about 600gr.