Package Including: 40 pcs foam golf balls, different colors as the picture shows. Come with 1 mesh drawstring storage bag.\r\nMaterial and Size: These foam practice balls are made of durable soft resin PU rubber which make these kids fun golf balls more soft, light-weight and flexible. Ball diameter: about 1.68 inch/42.6mm.The balls compresses slight upon impact just like a real golf ball, giving it real \"pop\" off the club face.