The functional Samsonite Dye-Namic backpacks and bags are all made from environmentally friendly recycled PET bottles. In addition to many useful compartments for smartphones, power banks and laptops, many Dye-Namic models also have a trolley attachment system on the back. This means that the backpacks can be easily attached to a trolley frame, making traveling easier! The colors are strikingly colorful or plain, depending on your taste. Discover your new favorite piece for everyday life and traveling here!