Feature:High quality: The swimming arm strength trainer is made of environmentally friendly high quality TPE material. Yellow 20 lbs., green 50 lbs., red30 lbs. blue 40 lbs., black 60 lbs.Easy to use: Swimming resistance bands with sliding handles allow you to target and train your swim stroke while working tone and fitness even without a poolEasy to carry: Lightweight and portable for swimming training anywhere. Whether you are a beginner or a professional swimmer, you can find the suitable intensity of your workoutImprove your strength: Swimming resistance tube let you perform vertical, horizontal, and diagonal exercises for hand and forearm positioning that is ergonomic and practicalComfortable accessories: The webbed surface of the swimming training device is smooth, which can fit the palms well when usedSpecifications:Material: TPEWeight: 0.35kgColor: YellowRedGreenBlueBlackSize: 20 pounds pull for children and 60 pounds pull for adultsPackage included:2 x Swim Hand Webbed2 x Resistance bandPackage List:2 x Swim Hand Webbed2 x Resistance band