EVERYMILE Half Ball Balance Trainer Stability Yoga Exercise Ball with Resistance Bands & Pump for Home Gym Core Training… $59.99 Make sure this fits by entering your model number. Safe Use: This half ball is made of environmental-friendly and non-toxic PVC to avoid allergy, no harm to your health, durable and very easy to clean.Equipped with pump, convenient for inflating and deflating Anti-slide & Anti-burst: 12-layer anti-skid circle surface, anti-slide base & anti-skid texture to improve users’ stability. Wear-resistant ABS base plus 6 non-skid feet and anti-burst technology guarantee safety during use even when you’re sweaty. 5mm thickened ball design, many tested and verified anti-burst technology guarantees a safety use