FUNCTIONS Swim straps are a type of swimming when the floaters stay nearly in the same position due to smooth lead-like restraint cells. Helps freestyle, backstroke, butterfly and kick training. High quality 4m floating belt, black belt length approx. 1.2 m, adjustable range about 5.5m - 10.5m Super latex resistance band and Velcro straps can be adjusted in size more suitable for training With this swimming resistance band, swimmers can swim in any type of swimming, even while sprinting , the speed can also be changed as needed. Effective low-impact training for swimmers of all ages and performance levels. EASY TO USE: The fixed rope hangs on the waist belt of the swimmer's waist and is attached to any part of the pool from the other side, eg.Such as ladders, springboards, skimmers, etc. Quick-drying design, easy to clean after use. Package includes: 1 elastic cord, 1 swimming strap, 1 watch strap, our swimming cord can also be used as a gift for family or friends at parties or clubs. Specification: - Material: Latex - Dimensions: 6mm x 10mm x 4m The package includes: 1 x Swimming Resistance Band. 1 x Belt. 1 bow 1 mesh bag.