Two layers of resistance in one ball: a cushiony foam layer for a light squeeze, and a firm gel core you feel as you squeeze harder.
- Dual core: high-resistance gel center inside a medium-resistance foam layer.
- Non-stick fabric cover.
- About 5.5 cm (2.2 in.) across.
- Eases stress and builds grip strength in the same squeeze.
What's included: 2 Stress Ball 2.0 in Blue and Dark Blue.
