You are buying 25 feet of 1/2" ...... CARBON COLOR ( clear and black mix)   expandable sleeving manufactured by  TECHFLEX   PET - FLEXO  BRAND relaxed it is 1/4" (min. diam) ---- expanded it is 3/4"  (max. diam.)   ### If you buy 2 or more lengths it will be in 1 PIECE #### This is not a carbon fiber.....It is a PET PRODUCT...... for questions call or email   615 587 2662...