Note: B-Upgraded Version adds 2 Rackets compared to A-Basic Versio Brand: BABEDUO Product Name: Badminton Training Device Length: Around 3.3 Meters Elastic Rod: 1 Fiberglass Steel Elastic Rod Base: 3 Layer Water Injection Type 1 Group Filament:40 Latex Stretch Threads Badminton Training Device Note: B-Upgraded Version adds 1 Rackets compared to A-Basic Version PLAY BADMINTON,NO MORE VENUE RESTRICTIONS:Angle adjustable,Indoor and outdoor universal;FULL CARBON TRAINING RACKET:Lightweight design, not easy to deform and good elasticity;TELESCOPIC ELASTIC ROD:Curvature against racket strike force,The rod body is uniformly stressed and has better toughness;ANTI-LOCK GROOVE DESIGN:Pearlescent paint, beautiful and outstanding ,Disperse the force area and the rod is not easy to get stuck;40 HIGH-STRENGTH ELASTIC ROPES:Upgraded latex elastic line, strong extension,The elastic line can be cut freely and the height of the shuttlecock can be adjusted freely;THREE-LAYER WATER INJECTION BASE:Three-layer mobile water and sand injection base,Easy to carry and ready to use.