These are our unique 3D printed Bogg Bag Charms. They are the perfect accessory for you Bogg Bag Simply snap the back(knob) of the design into the hole and they will not come out until you are ready to change them out! To remove: simply push the knob from the back of the design(inside the bag) and the design will pop right off the bag! Never pull on the design. Our 3D printed designs are done with a high quality PLA filament. Choose your color! Price is as listed.