RGGD&RGGL Exercise Ball (18-34in),Professional Yoga Stability Ball Chair Extra Thick Anti-Burst Support 2200 lbs,with… $4.15 – $22.79 Professional Grade Yoga Ball:non-toxic&eco-friendly raw-material;extra thick;odor free,honeycomb anti-burst structure;support 2200lbs. Versatile Use:yoga,pilates,home workout,gym training,birth ball,chair replacement,posture improve&back pain relieve. Easy to Use:package includes extra quick inflation foot pump and a lot of accessories,workout guide will be sent once we confirmed your order.