This ¼ in.  x 100 ft.   The hollow-braided utility line has a working load limit of 100 lbs.  Made of polypropylene, it stays afloat in the water around the dock.  This nomical utility cord is resistant to rot and marine growth.  It is 100 foot long and has many uses around the boat or dock or at a campsight or around the house. 
  
 100% polypropylene
 rot resistant
 hollow brided
 100 foot length
 Braided utility cord
 Blue
 1/4 inch diameter
 perfect on a boat or dock
 Stays afloat
 Many household uses
  Manufacturer Part Number: HBUL14x100
 Color: Blue
 Assembled Product Weight: 0. 6 lb
 Model: HBUL14x100
 Material: Polypropylene
 Assembled Product Dimensions (L x W x H): 3. 50 x 3. 50 x 7. 50 Inches