The TYR Catalyst 2 hand paddleboard will help you train more efficiently and scientifically. Suitable for swimmers of all levels, this new hand paddleboard helps improve stroke technique and strengthen arm muscles. Its unique shape improves water feel and evenly distributes pressure, reducing shoulder strain. Made of polypropylene, the Catalyst 2 training hand paddleboard is extremely durable, lightweight, and flexible. The newly upgraded design offers more strap configuration options and greater comfort, helping you take your training to a whole new level. Available in 5 color-coded sizes, from XXS to L: XXS - FL. Orange: 5.75 inches wide, 7.5 inches high; XS - FL. Green: 6.5 inches wide, 8.5 inches high; S - FL. Yellow: 7.5 inches wide, 9.5 inches high; M - FL. Red: 8.25 inches wide, 9.75 inches high; L - FL. Blue: 8.75 inches wide, 11.5 inches high. Product features: Suitable for swimmers of all levels; improves stroke technique and strengthens arm strength; evenly distributes pressure and reduces shoulder strain; available in 5 color-coded sizes, from XXS to L.