Brand: Restoration Hardware (USA)
model format: max 2014, fbx, obj
Render: corona render

dining table-Leon Rectangular Dining Table
108" Table: 108"W x 42"D x 30"H

chair-Ava Fabric Dining Armchair
Overall: 23"W x 24¼"D x 30"H

Link to the manufacturer
table
https://rh.com/us/en/catalog/product/product.jsp/prod34450437?swatch=1970008&layout=0 

chair
https://rh.com/us/en/catalog/product/product.jsp?productId=prod30600265