Gilmour Marine and Recreation Drinking Water Safe 1/2 Inch x 25 Feet Drinking water safe, lead, BPA and Phthalate free NSF tested and certified 5-layer construction resists kinks and abrasions with protective cover that will not mar surfaces Ergonomic couplings for easy connecting and disconnecting Lifetime warranty 5 ply construction; high burst strength Full-flo brass couplings for unrestricted water flow Easy on coupler Durable, blue-striped white cover won't mar surfaces.