Parachute size: There are five sizes from 2 meters to 6 meters in diameter. You can choose the appropriate size. Promotes cooperative group play while helping to build muscles,Encourages cooperative play while building upper-body strength Reinforced mesh center allows ample airflow. Recommended Age Grading:3+ Great at birthday parties and picnics(indoor or outdoor play) Cultivate children's sense of teamwork Dimension Diameter 2m: applicable number of people: 6-10; Perimeter: 6.2m; Number of handles: 8; Number of pieces: 8; Diameter 3m: applicable number of people: 10-16; Perimeter: 9.4m; Number of handles: 16; Number of pieces: 8; Diameter 4m; applicable number of people: 16-22; Perimeter: 12.5 m;Number of handles: 16; Number of pieces: 8; Diameter 5m: applicable number of people: 20-30; Perimeter: 15.8m; Number of handles: 24; Number of pieces: 12; Diameter 6m: applicable number of people: 30-40; Perimeter: 18.8m; Number of handles: 24; Number of pieces: 12;