Massage Blocks - Complete Set Pro - The Essential System for Self-Guided Trigger Point Release More effective than any massage ball on the market Our products are not made from hard plastic, but they are very tough. Softer than a lacrosse ball, Massage Blocks are serious tools for deep trigger point therapy. Into sports massage? Massage Blocks are like foam rollers for the rest of your body. Includes our Product Guide and Links to Free Instructional Videos. All Parts Recyclable (where facilities exist), Patented and Made in USA.