Material: Premium Quality Rubber Latex - Will Not Over-StretchStrong Cushioned Foam Handles w/ Zinc Alloy Clips and D-ringSpecially Designed Firm Attachment to Anchored to BandsEasily Creating Over 30 Different Resistance Levels by Attaching 1, 2, 3, 4, or all 5 Bands to the HandlesPerfect for Upper Body / Shoulder Stability, Strength Training, Yoga, Pilates, Baseball Arm Strength and much more!