Specifications: Gender:Unisex.  Rope Material:TPE.  Fins Material:PTE.  Ribbon:Polypropylene.  TPE Rope Length:120cm / 47inch.  Optional:Kids Red 30 Pounds / Adult Green 50 Pounds.     Features: ● Lightweight and portable for swimming training anywhere.  ● 20/30 pounds pull for children and 40/50 pounds pull for adults.  ● Strong tension, fracture resistance, high-strength, good elasticity, and toughness.  ● It trains swimmers to keep hands flat while opposing every movement to increase strength and speed.  ● Adds resistance to the pull in dry-land practice swim strokes. Also an excellent exercise to strengthen your pull.     Package Included: 1 x Swimming Arm Trainer.  1 x Storage Bag (other decorations NOT included).     Note: - Please allow slight dimension difference due to manual measurement.  - Please consider the actual sizes in the listing as the pictures are generally enlarged to show detail.  - There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.  - Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully