10' Rectangular Outdoor Patio Umbrella – Rustproof Aluminum Tilt Frame -
https://www.potterybarn.com/products/rectangular-market-outdoor-umbrella/?cm_sp=ossa-18678_bestseller_variant 

The model includes an umbrella in four different variations and three fabric colors: Natural, Air Blue, Pomegranate.

umbrella collection - https://3dsky.org/collection/shared/5393061 

Size: 3048mm l x 1981mm w x 2591mm h;
Size in scene: Open umbrella - 175,742 polygons
Half-closed umbrella - 174,493 polygons
Closed umbrella - 136,682 polygons

The model is made in Corona. For V-Ray, materials are converted and checked.
The archive contains files: 3ds Max 2016, Corona + V-ray, OBJ, FBX corona, FBX v-ray
Good renderings!