The Zsig® Mini Tennis Racket has an O-beam construction Mini Tennis frame light well-balanced with durable strings and a comfortable PU grip. ;O-beam construction aluminium frame.Length of the frame: 19in.Weight: 185g strung.Recommended for LTA Red Stage Mini Tennis coaching programme ITF Stage 3.Designed for 3-5 year old children (or a child up to around 105cm in height).Use with Red Stage Mini Tennis Balls.Sold without headcover.