Smiry Picnic Table Cover with Bench Covers, Waterproof Elastic Fitted Polyester Tablecloths for 5 Ft Rectangle Tables, Washable

Smiry elastic table cloth brings convenience to your dining. Features: - Elastic Fitted & Wind Proof - Waterproof & Spillproof - Reusable & Anti-Scratch - Convenient & Wipe Clean - Non-Slip Flannel Backing Color: Black;  White;  Beige;  Yellow;  Blue;  Teal;  Navy;  Grey;  Oak;  Marble; Mahogany; Size: Rectangle: 4ft - 30x48 inches;  6ft - 30x72 inches;  8ft - 30x96 inches; Round: 36 - 44 Round;  45 - 56 Round;  57 - 73 Round; My desk is made of wood.  Will this tablecloth keep the water out of my desk? Our tablecloths are covered with a waterproof vinyl material that effectively protects table free from water, milk, juice and other liquids from spilling onto the table surface. I want to use this tablecloth outdoors.  Will it blow away? We specially added elastic rope around the tablecloth, so that the table cover can be perfectly fixed on the table without moving.