【Exercises Printed On Exercise Ball】 For easy reference, exercises are printed right on the gym ball, making it a great equipment for both beginners and those more advanced. These gym balls are the ideal replacement for your old weight lifting bench and can be used with various free weights and dumbbells to improve stability and range of motion. 【Anti-Burst & Sturdy Anti-Slip Design】 Our gym balls are made from thick anti-burst PVC for superior durability under max 300kg pressure. Anti-slip lines around the perimeter of the gym balls provide superior grip to prevent them slipping under your weight when you're working out. Their sturdy, anti-burst design allows you to strike various poses to help relieve stress and improve your body and mind. 【Improve Core Strength, Balance & Fitness】 Swiss ball are perfect for yoga or pilates workouts, sit ups and other abdominal exercises, stretching or as an office ball chair to improve your Core Strength & Relieve Back Pain. Fitness ball pilates is a versatile piece of exercise equipment for both home, the gym and even the office! 【Suitable As A Pregnancy Ball Or Therapy Ball】 In addition to using these exercise balls for a workout, they are also suitable for use as a birthing ball, balance ball, or physio ball for rehabilitation. Whether you are recovering from an injury or during a pregnancy, the labour ball can help relieve tension, improve stability and aid recovery. PROIRON Exercise Ball with Self-Guided Illustrations, Anti-Burst Gym Ball, Swiss Ball with Pump, Birthing Ball for Yoga, Pilates, Fitness, Pregnancy Strengthen your core and improve your posture with PROIRON Anti-Burst Gym Ball Gym Ball is big, round and inflatable, it’s unstable to sit, lie or lean on. This constantly improve your core muscles balance. Suitable for men and women. Easy to start your workout, with the help of Illustrations on the ball Thickness 2 MM, Safe and reliable than other brands on market PROIRON Yoga ball uses the thick ball wall,thickness can reach the 2mm, the thickness can withstand the 300kg, causing you to move safely. Only Safe Yoga balls apply to a wide range of people, applicable to childbirth pregnancy, desk chair ,abdominal training, rehabilitation physiotherapy. Exercise Ball with Self-Guided Illustrations Exercise guide is printed on the gym ball with high tech, firm and safe Get a quick start workout with posture shown on the ball Half an hour a day, make your body stronger and more flexible.