The ball set includes 1 playground ball and 1 air pump. The ball has an 8.5-inch diameter and weighs 250 grams, featuring a textured non-slip grip. The ball color is bright and vibrant. The ball is inflatable and delivered deflated. One air pump is included in the package for convenient inflation. The ball is made from heavy-duty composition PVC. Lab tested, the ball fully conforms to toy safety requirements, making it durable and safe. It is not a foam ball and does not have a foam layer or padding. The ball is perfect for dodgeball, foursquare, and other playground games, ideal for recess play and group activities indoors and outdoors, helping to improve mental agility, manual dexterity, and motor coordination. Easy inflation and deflation: Insert the needle with the pump into the air hole for inflation; insert the needle only, without the barrel of the pump, for deflation. No additional plug is needed to seal the air hole. The companion pump is not a toy and is intended for adult use only.