Anti-Burst High Quality MaterialThe exercise ball is made of thick high-quality PVC material with an innovative anti-burst system, prevents sudden bursting. Due to its slightly rough surface, the seat ball is particularly slipper-proof. Adjustable Pull Value Resistance BandsTwo soft handles that are easy to grasp and protect your hands from friction injuries. This balance ball chair offers an excellent variety of exercises for young and old, beginners and advanced. Stability Ball BaseThe inflatable stability ring provides support to keep the yoga ball stable during training. This allows exercises with optimal shape without compromising on unwanted sliding and moving. MultifuctionalThis ball is not only suitable for fitness exercises, but also good for active sitting as a desk chair in the office or at home. Also perfect for pregnant women in relaxation exercises of the ligaments, tendons and joints, helps to ease back and pelvic pain. Whole Body TrainingWith this amazing exercise ball chair you can complete a whole body training (chest, arms, back, shoulders, legs and abdomen). Specification: Material: PVC Epoxy Size: Yoga Ball Dia.: 65cm/25.59 inch Base Inner Dia.: 45cm/17.72 inch Base Outer Dia.: 60cm/23.62 inch Resistance Band Length: 65cm/25.59 inch Package Includes: 1 Set Exercise Ball Chair Kit Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3mm differences due to manual measurement.