Fitness First Slam Ball Size:12 lbs. an attachable long wrist strap

an attachable long wrist strap delivers firmer grip and reinforced wrist support

A premium two-way stretch construction conforms to your hand for a secure

stretch and quick-dry comfort for sparring

measure the distance across the lowest knuckles (the knuckles you punch with) of the 4 upper fingers (all the fingers except the thumb)

2-1/2 5' 4" 135 lbs

Fitness First Slam Ball Size:12 lbs. an attachable long wrist strapThe Fitness First Slam Balls are the perfect accessory to help build strength and enhance cardiovascular health. They can be used in a variety of ways to increase the intensity of your regular routines. Great for cross training, plyometric and cardio workouts Sand filled Will not bounce back Perfect texture for gripping