Simpsons Balance Disk is perfect to strengthen and tighten your core while working on unstable exercises during your training sessions. Disk are air filled so you can easily adjust firmness depending on your specific exercise or firmness desired.
Disk can be used as a chair cushion for kids with ADHD or who struggle to sit still or fidget in their chairs. Cushions are double sided with a smooth surface on one side, can be flipped over to expose small soft spikes to enhance your child's sensory needs which help them sit still longer and improve concentration. People often tend to refer to these as wobble cushions..
Use caution when inflating to not puncture liner on bottom side or over-inflate causing cushion to burst.