Here are nice vintage hand made Bulgarian folk slippers.
Region - Rhodope Mountains.
It is made of white natural wool canvas with embroidery. 
It is a part of aunthentic folk costume. 
The item is used and please look at the photos for its condition.

Measures: 9 1/2 "(25cm)  length x 2 to 3 1/2"(5 to 8.9cm) wide x 2 1/4" high