tennis ball racket Custom Foldable Umbrella Custom Great Quality Auto Foldable Umbrella Material: Made from 100% polyester pongee waterproof fabric Advanced technology: Image imprinted using heat sublimation technique to prevent discoloring Durability: 8 ribs made from strong fiber for extra support, each rib consists of 3-section aluminium for flexibility and strength Component: Gripped plastic handle for firm hold