✔ Product Name:Exercise Ball✔ Material:PVC✔ Color:Pink , Purple , Gray✔ Diameter:55CM , 65CM , 75CM✔ Whether it is aerated: yes✔ Packaging:air pump, air plug, air puller, inflatable tube✔ Applicable scene: fitness equipment, sports trends, fitness, health massage, dance, other✔ Perfect for use with yoga, pilates, or for general strengthening & balance.✔ Exercise Ball- Improving stability and coordination,- Maximizing strength and endurance- Helping the gentle muscle building in the area of physiotherapy- Strengthening the core muscles and overcoming any resistance in the aerobic fitness program✔ User tips:- Keep away from sharp objects- Store your ball indoors at room temperature- Fill the ball plug after filling the air, check the tightness of the air lock to avoid air leakage;-Please inflate the ball to about 80% of the diameter, which makes the ball more flexible and easier to hold. It can easily inflate the ball with a foot pump.- Clean your ball with a soft cloth or sponge and mild soapy water if needed.-It is normal to have a bad taste when opening the package. But the smell is harmless to the human body. do not worry. After you have opened the package, lay the pilates ball in the air for 3-5 days, the foul odor will disappear.