This pendant is a replica of a find from the 10th century discovered at Birka.
See: https://samlingar.shm.se/object/F4980EA8-B7F6-499C-ABA2-249F904C8DEC
There are several similar finds of horses from the Vendel and Viking Ages.
Made of bronze.
All pendants come with a black cord that you can adjust the length of yourself.