Low density polyethylene manufactured to exact specifications from FDA listed materials. Tubing odorless, tasteless, flexible, lightweight and very easy to cut and to handle. Excellent resistance to many solvents, acids, alkalis and fuel. Milky color allows to see fluid levels and flow. Polyethylene resists cracking and makes excellent drinking water and pneumatic control lines. 1/2" x 3/8" x 25'. 1-year warranty.