Fashionable design, novelty mini tennis ball. Tennis ball made of plastic and felt, just like a real tennis ball. Exquisite and delicate, pocket size. It can be as a great gift for tennis lovers. Perfect accessory for bag, backpack and key. Material: Metal + Plastic + Felt. Tennis Ball Diameter: approx. 3.8cm / 1.5inch. Total Length: approx. 8.8cm / 3.5inch. Package Includes: 1 Piece Tennis Ball Key Chain. Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference.