NON-SLIP AND ANTI-EXPLOSION - the gymnastic ball is made of high quality PVC material, odorless and easy to clean. In order to better protect you, compared to other yoga balls, we have increased the thickness to make The gym ball more wear-resistant and prevent breakage. During use, make sure there are no sharp edges on or near the ground. Sharp objects may damage the material. PERFECT FOR FITNESS - Workout at home and at the gym - the fitness ball is ideal for yoga, pilates, abdominal exercises, etc. Pregnancy ball also provides lumbar spine support during pregnancy to relieve discomfort, great for exercising during pregnancy. It can also be used as a stizball to relieve back pain and spine pain caused by work. SAFE AND EASY TO PUMP - has always considered the safety of its customers to be the main standard. Our gym ball with pump is made of environmentally friendly material and gives you better quality of life. If you encounter any sharp objects, the gym slowly releases air and does not explode. USER INSTRUCTIONS AND BALL PUMP INCLUDED: Each pack of exercise ball comes with usage instructions so that you easily know how to use the ball correctly. brIf the pilates ball has any quality problem, please contact us. Please check our recommended size carefully to make sure you have the correct training ball: 55cm is 1.50m-1.65m Color: purple Material: PVC Packing: 1 * yoga ball, 1 * pump, 1 * plug extractor Usage tips: please use it under the expert supervision when using it for prenatal exercises.