This tennis starter set includes (1) Wilson US Open Junior Tennis Racquet and (1) Red/Infrared Junior Tennis Backpack. The Wilson US Open Junior Tennis Racquet is an excellent option for any young junior player looking to get into tennis. Lightweight and durable thanks to its AirLite Alloy frame construction, this racquet prioritizes playability above all else on the court. This racquet is used at many junior events to help kids learn fundamentals and develop a passion for the sport. Racquet Features: 19 Inch Racquet - Suited for junior players up to 5 years old 21 Inch Racquet - Suited for junior players ages 5 to 6 years old 23 Inch Racquet - Suited for junior players ages 7 to 8 years old 25 Inch Racquet - Suited for junior players ages 9 to 10 years old Racquet Technology: AirLite Alloy: Aluminum composition supplies notable durability and lightweight strength. The Wilson Junior Tennis Backpack is the ideal, compact bag that stores anything and everything for junior players heading to the courts. A great option for kids biking or commuting. The Junior Backpack has two main compartments. One that can store up to 2 full sized tennis racquets and another than holds everything else. The padded shoulder straps provide additional comfort en route to the courts and the webbing loop makes it easy to hang it up whenever practice is done. Bag Features: Racquet Capacity - up to 2 1 Main Compartment Partial Racquet Compartment - Compartment features locking zippers to enclose the racquet head Large Accessory Pocket - Pocket serves up additional space for gear, equipment and personal storage Locking Zippers - Zippers lock together to keep bag contents dry and prevent spills Backpack Straps - Adjustable, padded backpack straps for convenient carrying Dimensions: 26.5” x 4” x 12” Fiber Content: 100% Polyester The Wilson US Open Junior Tennis Racquet comes prestrung with Wilson Synthetic Gut.