SELF-INFLATING BALL FOR PLAY

A self-inflating ball comprising an enclosed volume, the enclosed volume having an opening which allows air to move into and out of the enclosed volume, the self-inflating ball comprising individual panels that are connected together such that the individual panels together define the enclosed volume, the opening having area of from 30 mm² to 51 mm², characterised in that the material used to make the panels is a woven material having a thread count of at least 200 threads per square inch; having a basis weight of from 20 to 60 g/m²; and the woven material being woven from 30 to 50 denier yarn.