Helpful swimming training tool for men and women!Features:Ergonomically designed shape perfectly fits your hand shape， help release more hand strength.Hydrodynamic optimization of material combinations and hole design.Easy to wear.Specifications:Material: PP + TPR + siliconeColor: Blue / Yellow (optional)Size: S(19*13cm) / L(22*15cm) (optional)Weight: Approx. 61~84g / 2.2~3.0oz (each)Notes:1. Please allow 1-2cm (0.4-0.8") differences due to manual measurement， thanks.2. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Package List:1 * Pair of Swim Fins