It just does not get any easier than this! These collapsible water bottles come with a convenient carabineer for easy transport! Hang it on your belt loop, backpack...whatever you are comfortable with!! You can freeze these bottles for ice cold water when you need it most! These durable bottles do not crack or dent! For hikers and campers that is great news! If your business is "physica,l" then here is an affordable item worth looking at!