The Gilbert ® Eclipse Match Netball is a high quality ball that offers great grip durability and shape retention. Suitable for all surfaces. Size 4 is recommended for players 11 years and under.Inflate using standard pump (not included)Product Care: Check PSI before each use. Avoid rough surfaces. Do not sit on balls. Rotate balls in your kit to ensure even usage. Inflation: Pull into shape moisten needle inflate to recommended PSI.