These gym rings feature solid-through construction and are Not hollow like most. Tear drop design with larger grip area comfortably fits child's hands. High-Density Polyethylene will not crack or break. Heavy-duty welded-link chain with a soft rubber coating. Includes 2 gym rings with chains and 2 Quick-link connectors to connect rings to chains. 105 lbs. weight rating when used with Standard Swing Hanger (PS 7676 - Sold Separately).