BOSU® Toning Ball, 4 lb. Original Use the Helm on top

Use the Helm on top of the Balance Trainer for push-ups

and as a static weight

vinyl exterior shell and is filled with sand weighing 4lbs

The Balance Trainer can also be used without the Helm for hundreds of other exercises targeting your core

Try adding a fitness ball while doing squats

BOSU® Toning Ball, 4 lb. Original Use the Helm on topThe BOSU Toning Ball is a great addition to any workout. This ball features a strong, vinyl exterior shell and is filled with sand weighing 4lbs. It is designed to improve strength, balance, enhance hand eye coordination, assist muscle recovery, and enhances exercise movements. Try adding a fitness ball while doing squats, sit ups, or push ups to add variation to your workout routine. Reshape Your Body Tone & Strengthen Increase Balance & Agility