We have that Tiny Leather Dog collar that you have been looking for! It is 3/8" wide, very soft and lightweight, with small silver bones. It is a perfect fit for your little dog.
XXSmall ~ 6" - 7" neck (1/4 inch wide)
XSmall ~ fits a 7" - 9" neck (3/8 inch wide)
Small ~ fits a 9" - 11" neck (3/8 inch wide)
Please measure your dogs' neck carefully as these collars are custom hand made one at a time to your specifications for your dog:-) They cannot be returned.
Matching leash is available here.