1″ x 10′, blue, pex tubing, cross linked polyethylene pipe for a range of residential & commercial plumbing applications, approved for all potable water systems, for crimp, clamp or push to connect plumbing systems, repeating sharkbite imprinted pattern which serves as a visual aid to determine if the tube has been inserted correctly, feature only works if the tubing is cut between the sharkbite imprint pattern.