WHAT IS CALFSKIN? Calfskin or calf leather is a leather or membrane produced from the hide of a calf, or juvenile domestic cattle. Calfskin is particularly valuable because of its softness and fine grain, as well as durability. It is commonly used for high-quality clothing, shoes, wallets, and similar products, as well as traditional leather bookbindings. In these contexts, just "calf" is commonly used. Fine calfskin is one of the skins used for vellum and parchment manuscripts. ABOUT THE LEATHER COVER ITSELF 1.Material: Calf skin,Calfskin is particularly valuable because of its softness and fine grain, as well as durability. 2.Thickness of the holder: approximately 1 mm, it's like a soft but definitely durable dress for the remote key. 3.Design: This is designed to a full wrap style: Key remote is full wraped by it ; Embossed patterns for the button looks much better than the engraved patterns. 4.Size of the holder: it's designed according to the size of key, it's appropriative to your car keys. 5.Handmade: This holder is fully made by hand, it looks small, but took 2 hours to finish it. Most important, there is almost no gap between two pcs leathers, looks almost one piece.