General description Unleash the ultimate entertainment with Mophorn Inflatable Bumper Balls. This 2-pack of 4FT inflatable bumper balls is made from 0.3mm thick, explosion-proof PVC, engineered for maximum durability and safety. Perfect for outdoor team gaming, these human hamster bubble balls provide endless fun for kids and teens, allowing you to bounce, bop, and bump with friends in gardens, backyards, playgrounds, parks, and recreation centers. Technical specifications Item Model Number: 86003 Product Dimensions: 1150 x 1150 x 900 mm / 45.3 x 45.3 x 35.4 in Color: Red Stripes + Blue Stripes Product Weight: 5.41 kg / 11.9 lbs Installation It's simple to use. Each set comes with a detailed instruction manual and 2 repair patches. The process is straightforward: unfold the product, unscrew the large inflation valve, inflate it with an air pump (not included), and promptly tighten the valve when fully inflated to begin the game. Usage Bumper ball games are an amazing way to have fun