Perform Better Extreme Soft Toss Medicine Ball Soft shell construction keeps its shape and maintains weight balance Strong enough to absorb even the most intense workouts Each pb extreme soft toss medicine ball is 14 inch in diameter. Same size medicine balls allow for consistent exercise movement at all intensities Comes in varying colors based on weight: 4 lb: Red/White; 6 lb: Yellow/White; 8 lb: Blue/White; 10 lb: Orange/White; 12 lb: Green/White; 14 lb and up: Black/White