Heavy duty construction consists of sturdy steel tubing, extra padding for greater safety, and double braided plastic rope. Unique polypropylene rope netting center builds core strength. Spider web design can hold up to 3 children, promoting teamwork and social skills. Oversized oval design can fit in 2 bay swing position while meeting ASTM (American Society for Testing and Materials) space requirements. 34" L x 4.5" W x 42" H.