This is an A4 sized rectangle of top quality vegetable tanned cowhide shoulder with a thickness of 2.6-2.8mm which is part way between the usual weights for Lamport.
Lamport shoulder has a beautiful natural surface texture, showing growth marks and fine hair cells. It also has a very well finished reverse side with no loose fibres.
Do you need a strip of matching leather to complete your project? If so this can be found in related items below.