Arm Pro Bands - Resistance Training Bands for Baseball and Softball Arm Strength and Conditioning. Available in 3 Levels (Youth, Advanced, Elite). Anchor Strap, Travel Bag, Digital Training Downloads Provides resistance to strengthen arm and rotator cuff Stretch out arms, shoulder, back, and obliques Access to free video training download Secure Velcro pole or beam attachment strap For all ages and abilities, choose from 3 levels of resistance