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

table- Mulholland Stone Rectangular Pedestal Dining Table
96" Table: 96"W x 40"D x 30"H

chair armchair-Alessia Fabric Dining Armchair
Armchair: 23"W x 23"D x 32½"H

chair-Alessia Fabric Dining Side Chair
Overall: 23"W x 23"D x 32½"H

Link to the manufacturer
table
https://rh.com/us/en/catalog/product/product.jsp/prod35100108 
chair armchair
https://rh.com/us/en/catalog/product/product.jsp/prod31880216?layout=0 
chair
https://rh.com/us/en/catalog/product/product.jsp/prod30600251?layout=0