FREE SHIPPING. Auction is for 20 FEET total of 3M and Sumitube Very high quality Polyolefin 2:1 shrink ratio heat shrink tubing color BLACK. You will get a 4 FOOT Length (48") EACH of five sizes:1/2", 3/8", 1/4", 3/16" and 1/8". These are all Polyolefin commercial grade.