The double sided stability cushion has one smooth side and a raised pattern on the other, which gives a massage and sensory workout. Excellent for improving balance, coordination, physical instability, fatigue and pain. Inflate to the desired level with the included pump, 33cm diameter. The double-sided stability cushion has one smooth side and a raised pattern on the other, which gives a massage and sensory workout. Excellent for improving balance, coordination, physical instability, fatigueand pain. Inflate to the desired level with the included pump. Excellent for improving balance, coordination, physical instability, fatigue and pain. Inflate to the desired level with the included pump, 33cm diameter. Product Name: UFE Stability Cushion and Pump