The Bone is the lightest, but thickest and strongest of all the tags due to its compact shape. It is made of high-quality brass, making it both durable and lightweight, and the permanently shiny engravings give it a unique look. The Bone is attached to a thick stainless-steel key ring which makes it almost impossible to lose! Comes in a charming protective pouch. Why is it UNIQUE? Made of high-quality brass Durable and lightweight Attached to a thick stainless-steel key ring Permanent shiny engraving Available in four colors (Aged Silver, Aged Brass, Aged Copper, Black) Unique and personally customized Turn it into a nice present with our Eco Friendly Gift Box for an extra 5$. Dimensions SMALL Width: 30mmLength: 17mmThickness: 2.6mmWeight: 6.7g LARGE Width: 37mmLength: 21mmThickness: 3.3mmWeight: 13.1g