No labels, materials unknown.  
Feels like actual leather, yet leather cleaner was unsuccessful at attempts to remove the dirt and ink stains. 
In person, the stains are fairly subtle except for the light blue ink lines on the back.
Widest part measures at 6"
Base measures at 1.5"
Opening: 5.5"
Height: 4.75"
Wristlet:6", with swivel clasp: 8"
No interior pockets.
Color is Bone/Off-White.
 
One previous owner.