brass material: these round brass blanks and bead chains are sturdy, reliable, non-, oil and water-resistant, and have good durability not only indoors but also outdoors, as well as in humid environments around plumbing and . Packaging: brass blank tag for stamping, laser engraved, with an pen. enough quantity for personal or small business use also could be as a practical gift share them with your family members or friends. Wide application: these brass circle metal tags 't produce a spark, making them safe to use as valve tags, also could be applied as plant signs, equipment tags, tool tags, pet ID tags, etc.; you can use your imagination to apply them to different in your life since they are very practical. Material: brass colour: gold Package Contents: 50 x Brass Valve Tags Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.