17 Inch Size Ideal for Kids 30”-34” Tall Ages 2 to 4. | Aluminum O-Beam Construction Lightweight 150 grams, 75 sqinch head size creates plenty of room for swinging missing hits. | Powerful String Tention:35-40LBS,make your each hitting sounds “Pound” and “Fun”. | Designed with Fischer Racket Technology, delivering the performance characteristics and proven learning concepts as designed under the: ITF “PLAY + STAY” Tennis Teaching Philosophy.Each purchasing come with guidence brochure to know the commission of each stage. | Two Colors Available:Yellow and Pink