The zero polyester surface design is built to minimize string movement

A great standalone string or a nice option to blend with a stiffer string

Prevents drink spills for flying tennis balls

Size indicator on each sock for easier identification and matching

Enjoy unrivaled consistency and durability from these premium tennis balls

Tennis Court Numbers - Mesh Court Number:Number Four (4) The zero polyester surface designLabel your courts clearly and easily with these durable windscreen numbers. The numbers are printed on black VCP windscreen material with white paint so they are easily visible and very durable. Each windscreen number features 4 brass eyelets for secure mounting and measures 10x10 inches. Numbers 1 12 available. VCP windscreen material is constructed of high tenacity polyester yarn and is then coated with vinyl to provide high resistance to sunlight