What Are Ping Pong Balls

What Are Ping Pong Balls

Last modified: October 13, 2023


When you hear the phrase ‘ping pong’, what usually comes to mind? Most likely, it’s the rapid-fire back and forth of a small, round, white ball, flying across a table at light speed. That small yet significant giant of the game is the ping pong ball. But have you ever thought about what goes into the creation of this essential piece of sports equipment? Well, let’s dive in and demystify this game’s hero.

What Makes a Ping Pong Ball?

We often underestimate the ping pong ball, but its existence is a product of design, science, and quality control. It plays a decisive role in the pace, spin, and control of the game.

The Material

Ping pong balls are usually made from celluloid or plastic. Though originally made from celluloid, more recent balls are produced from lightweight, resilient plastic. The switch was mainly influenced by fire safety concerns, as celluloid is highly flamable.

Size and Weight

The standard size of a ping pong ball is 40mm in diameter. This size was adopted in the year 2000 to slow down the game for television audiences. With an average weight of just 2.7 grams, these balls are incredibly light, which helps them to zip across the ping pong table at remarkable speeds.


Balls used in official tournaments are typically white or orange depending on the color of the table, surroundings or personal player preference. The idea is to create a clear contrast between the table and the ball, making the game more viewer-friendly.

The Manufacturing Process of a Ping Pong Ball

From a simple sheet of celluloid or plastic to the bouncy, lightweight marvel that it is, the journey of a ping pong ball is quite fascinating.


The manufacturing process begins with a sheet of celluloid or plastic being softened by heat. It’s then cut and shaped into two hemispheres. These halves are placed in a mold and subjected to heat and pressure, creating the perfect shape and size for a ping pong ball.

Gluing and Buffing

The two halves are then glued together. Once the glue dries, the ball is buffed to remove the visible seam, resulting in a smooth surface.

Quality Control

The final stage in the process is quality control, where the balls are checked for proper size, weight, and bounce. Ensuring these standards means a fair and consistent game for players at all levels.

How to Choose the Right Ping Pong Ball

Choosing the right ping pong ball involves considering multiple factors, from materials and star ratings to personal playing style.


Consider the material when buying a ball. Plastic balls are durable and safe, while celluloid balls are preferred by some traditionalists for their different bounce and feel.

Star Rating

A ping pong ball’s quality is usually indicated by its star rating. One-star and two-star balls are typically lighter, more suitable for casual play. Three-star balls, however, meet the ITTF’s requirements for official tournaments and are therefore of the highest quality.

Your Playing Style

Lastly, consider your playing style. If you’re a casual player, a one-star or two-star ball might suffice. For professional or competitive players, a three-star ball would be the preferred choice.


In conclusion, the humble ping pong ball might seem like a simple piece of sports equipment, but it’s the result of meticulous design, careful manufacturing, and rigorous quality control. This tiny titan of the table serves up fast-paced fun, challenging competitive play, and its importance can’t be overstated in the beautiful game of ping pong. Whether you’re a casual player or a professional, understanding the characteristics and choosing the right ping pong ball can significantly enhance your playing experience.

Additional Ping-Pong Resources:
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