Two styles are available A (Big 11 cm length 4.33" / 5cm wide 2"), B (Small 9,5 length 3.75" / 4.5 cm wide 1.77")
Handmade of 5 OZ premium Veg-Tanned leather(Full Grain Cowhide). The interior of the leather case is covered with sheepskin
Natural leather color so it will age with you nicely and you end up with a very unique rustic appearance. 
When natural leather has been used over time it will naturally become silky smooth and have a natural patina.
✔ Premium full-grain Veg-Tanned leather 4oz - 5 oz 1.6 mm - 2.0 mm
✔ The interior is lined with sheepskin
✔ Hand saddle stitched with military parachute-grade thread
✔ Hand-burnished waxed Edge
✔ Great design and durable for everyday use
✔ Very strong construction, this will stay with you for a lifetime
✔ This is a great gift and it can put a smile on faces
✔ You will love it because it's compact and looks nice
Instruction to add your Electronic Car Key
1.    Unscrew the D-Ring screw
2.    Put your electronic key or your normal keys)
3.    Screw back the D-ring