Patented innovative design eliminates the risk of valve reactivation with removal of the handle. Simple remove and store handle and covers the valve stem for secure lockout. Universal fit-effectively lock out all valves from 3/8" to 4" (0.9cm x 10.1cm). Works in virtually all valve installations - metal and PVC valves, insulated pipes, pipes mounted close to a wall or ceiling and valves with tight access due to proximity to other valves or pipes. Works on insulated pipes. Easy to use - simple to apply with an intuitive wrapping strap and locking mechanism. Lightweight, flexible device is easily carried to the job and then folded for compact storage in safety toolboxes. Includes write-on erasable labels in English, French & Spanish. Constructed of durable PVC polyester fabric and HDPE plastic. Performs effectively to withstand corrosive environments and operates in extreme conditions (temperature range: - 40 F to 250 F (-40 C to 121 C)).