product 1. Anti-slip: The fitness ball is made of frosted material, which can effectively increase the friction. This great stability ball will ensure you have a proper and safe grip when using it for health, back pain relief or as a delivery ball during pregnancy. Immediately focus on your thighs, glutes, abs, pelvic floor and other specific muscle targets.2. Multi-purpose everywhere: The fitness ball is suitable for increasing abdominal strength and flexibility. Not only can they be found for exercise, but they can also be used as yoga ball chairs in a home office or classroom. In addition to being used for exercise, these can also be used as labor or pregnancy balls.3. Manual Inflator Pump: This home gym gym equipment ball includes a pump for quick and easy inflation by hand. Your exercise ball deflates on delivery, making it easy to inflate in just a few minutes. Note that extra durable material may create resistance during initial inflation. do not give up! It's worth it!4. Maintenance: Wipe and store in a dry, well-ventilated place. Do not use strongly acidic or alkaline cleaners. Do not expose to direct sunlight or store in high temperatures.