Why use regular LDPE Tubing when you can use superior Linear Low Density Polyethylene (LLDPE) tubing. LLDPE tubings greatest advantage over regular LDPE (low density polyethylene tubing) is its higher tensile strength, higher impact and puncture resistance and is impermeable to gasses and moisture. Why take unnecessary chances with inferior LDPE tubing.Our LLDPE (Polyethylene) Tubing is made in the USA of High Quality resin that is also made in the USA.1/16" = .063 1/8" =.1251/4" = .250 3/8" = .3751/2" = .500 5/8" = .625