What is a Pilates ball?

Do you want good posture, stronger muscles, or more flexibility? Then using a Pilates ball is perfect for you. A Pilates ball is one of the most commonly used tools in Pilates. Besides Pilates, you can also use the ball for yoga, fitness exercises, strength training, and even while sitting.

A Pilates ball comes in various shapes and sizes. It offers multiple applications. You can use the ball for sports, relaxation, and medicinal purposes. It's also frequently used in rehabilitation processes, for example. You can do strength exercises and relaxation exercises with it, and use the ball as a chair. A Pilates ball can also help you adopt the correct posture for certain exercises.

Pilates balls are equipped with a non-slip surface. This gives you a good grip on and with the ball. You can grip it securely, but it also won't easily slide out from under your back or neck.

Melanie
Last edited on 29/09/2026

The different pilates balls

There are two types of Pilates balls: a fitness ball and a soft ball. The fitness ball is a large ball, often with a diameter of 45 to 85 cm. The soft ball, also called a mini ball, usually has a diameter of 17 to 27 cm. Each of these Pilates balls has its own characteristics and different uses.

Fitness ball

A fitness ball It is made of elastomer plastic that makes the ball sturdy, yet also soft and elastic. The ball is filled with air. The more air you blow into it, the firmer, larger, and less elastic it becomes. You can choose from fitness balls of various sizes and for different weights. Generally, fitness balls have a diameter of 45 to 85 cm. Choose the ball where, when you sit on it, your knees and hips are at the same height. Generally, a 55 cm ball is suitable for a height of up to 1.65 meters. If you are between 1.65 and 1.85 meters tall, a ball with a diameter of 65 cm is most suitable for you. If you are 1.85 meters or taller, it is best to go for a fitness ball with a diameter of 75 cm. Depending on the exercise you are doing, you can also decide to go for a larger or smaller ball.

In addition, these fitness balls generally have a weight capacity of 150, 300, and 500 kg. The most suitable ball depends not only on your body weight but also on the intensity of your workout. Are you going to be doing heavy, vigorous exercises and putting a lot of strain on the ball? Then choose a fitness ball with a higher weight capacity.

Softball

The softball It is also available in various types and sizes. They have a diameter of 17 to 27 cm. For the size of this mini ball, a specific range is usually mentioned, for example 17 to 19 cm. The precise size actually depends on the production process and the amount of air inside the ball. The mini ball is made of a soft material, allowing you to grip it with one hand and clamp it securely between your legs. The most suitable size depends on your personal preference and your exercises. By choosing balls of different sizes, you create even more variety in your exercises.

Check out our Pilates balls

Soft Ball – 18 cm – Align Pilates
€ 9,50
Soft Ball - 20 cm - Bala
Soft Ball – 20 cm – Bala
€ 34,95
SISSEL® Soft Ball-Grey
SISSEL® Soft Ball – 26 cm
€ 14,95
Soft Ball – 22 cm – MoveActive
€ 18,50

How to use a pilates ball

A pilates ball, Both the fitness ball and the soft ball are incredibly versatile. You can use it for Pilates, but also for yoga, fitness exercises, strength training, and even while working. You use the ball to strengthen your muscles, improve posture, stabilize your spine, and improve flexibility. In short, it helps you strengthen your body. By using a Pilates ball during your workout, you feel resilient and strong. Moreover, it ensures that you can focus better on an exercise.

You can do a variety of exercises with a Pilates ball, making it a versatile workout. You can rest your legs on it while doing a crunch, or lie on it with your back or stomach to relax your back muscles. While lying on your back, hold the ball with your legs and bring it to your hands, which you're holding in the air. Hold the ball and lower both your arms and legs to the floor. Bring the ball back to your legs, holding it steady again. This is a strength exercise that strengthens many muscle groups.

Do you sit a lot, for example, at work or while pursuing a hobby? Use the fitness ball as a kind of chair to strengthen your core and improve stability and balance. This ball is less stable than a chair, so your muscles have to constantly work hard to keep your body balanced. This primarily involves contracting the deep abdominal and back muscles, significantly strengthening them. By doing this regularly, you strengthen these muscles and improve your stability and balance. It has been used in rehabilitation for years.

How to use a soft ball

A soft ball is often used in Pilates, yoga, and strength training to improve balance, coordination, and flexibility. You use the ball to perform certain exercises, to make them even more powerful, or for support. You can also train specific muscle groups with it. If you squat with both legs on the ground, your weight is distributed evenly across both legs. If you place your left foot on the ball while squatting, more weight is transferred to your right leg. This specifically trains your right leg and gluteal muscles. If you place the ball between your thighs while doing crunches, your leg and gluteal muscles are also stimulated during this abdominal exercise. You can also place the ball under your back, neck, or leg during exercises.

You can also use the mini ball while sitting. Inflate it less and then place it between your spine and the backrest. This prevents you from sitting with your back stiff against the backrest all the time. It keeps your spine more flexible and ensures that it takes longer for your back to feel stiff.

Buy Pilates ball

Looking to buy a Pilates ball? Then you've come to the right place at Yoga-Pilatesshop.nl. We have a wide range of fitness balls and soft balls. For example, try the SISSEL Soft Ball If you want to strengthen your spine and abdominal muscles, these fitness balls have a diameter of 22 or 26 cm, making them ideal for those goals. Exercises with this Pilates ball stimulate muscle building and can also promote deep relaxation. The balls are suitable for use with a maximum body weight of 155 kg.

In addition we have Swiss balls With a weight capacity of 150, 300, and 500 kg. Each ball is available in diameters of 55, 65, and 75 cm. This allows you to choose the fitness ball that perfectly suits your body, exercises, and goals. We also have Soft Ball mini balls with a diameter of 18 and 23 cm. The pump We sell the ball pump, which allows you to easily inflate a Pilates ball, separately or included with the ball. Browse our selection and choose the Pilates ball that's right for you.

Frequently asked questions about Pilates balls

Here we answer the most frequently asked questions about Pilates balls and everything related to them.

A small Pilates ball (soft ball) usually has a diameter of 18 to 26 cm. You use this soft ball primarily as support for the lower back, between the knees, or ankles to activate specific muscle groups more intensively. A large fitness ball or Swiss ball (55 to 75 cm) is designed for general balance and posture exercises, and is also used as an active sitting ball at a desk.

For a small soft ball, the choice depends on the exercises you want to do. A ball of 18 to 20 cm is comfortable for targeted muscle activation and a one-handed grip. A ball of 22 to 26 cm provides more back support.

For large fitness balls, your height determines the right size when you want to sit on one:

  • Shorter than 1.65 meters: ball with a diameter of 55 cm
  • Between 1.65 and 1.85 meters: ball with a diameter of 65 cm
  • Taller than 1.85 meters: ball with a diameter of 75 cm

That depends on the type of training. For a small soft ball, it does not need to be inflated too hard. A slightly softer ball offers more grip, molds better to your body, and provides slight instability, which activates the deep abdominal muscles. With a large fitness ball, it is important to inflate it firmly to the indicated diameter so that your hips and knees are at a ninety-degree angle when you sit on it.

You can easily inflate a soft ball with the included straw or a small hand pump with a narrow nozzle. After blowing air into it, quickly push the included plug into the opening to hold the air.

A Pilates ball creates controlled instability. As a result, the deep core muscles in your abdomen and back have to work harder to maintain balance. Additionally, the ball helps support the spine during stretching exercises, increases muscle tension during exercises between the legs, and improves your overall body awareness.

Yes, a Pilates ball is a widely used tool for relieving and preventing back pain. The soft support in the hollow of the back relieves pressure on the vertebrae during abdominal exercises. Additionally, gently rolling over the ball helps release tension in the muscles surrounding the spine. Always consult a physiotherapist first regarding medical conditions or recovery after an injury.

Most small soft balls can withstand a body weight of up to 150 kg under normal use and support. Large Swiss balls for Pilates and fitness often have a load capacity between 300 kg and 500 kg and are equipped with an anti-burst system. This ensures that the ball deflates slowly in the event of damage instead of bursting.

You can easily clean a Pilates ball with a damp cloth and a mild, natural soap. Do not use harsh cleaning agents or scouring pads, as these can damage the material. After cleaning, let the ball air dry and store it away from direct sunlight and strong heat sources.

Read more

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