Ivation Exercise Ball for Fitness Yoga Pilates Gym Stability Ab Workouts Weight Loss Core Strengthening Balance Pilates Sessions Crossfit Comes with a Foot Pump - 2,000lbs. Anti-Burst Static Strength Ball Design Helps Strengthen, Stretch & Tone all Major Muscle Groups Super-Durable Rubber Material Supports Loads of up to 2,000 Pounds Improves Posture, Coordination, Balance, Flexibility, Agility & Recovery Perfect for Replacing Your Boring Desk Chair  Get Fit While You Work FREE Foot-Operated Pump is Included for Quick & Effortless Assembly