Feature: High Quality: The swimming arm strength trainer is made of environmentally friendly high-quality TPE material. Yellow (20 lbs.), green (50 lbs.), red (30 lbs.), blue (40 lbs.), black (60 lbs.) Easy to Use: Swim resistance bands with sliding handles allow you to target and practice your swim stroke while working on tone and conditioning even without a pool Easy to Carry: Lightweight and portable for swim training anywhere. Whether you are a beginner or a professional swimmer, you can find the suitable intensity for your workout Improve Your Strength: The swim resistance tube allows you to perform vertical, horizontal, and diagonal exercises for hand and forearm positioning that is ergonomic and practical Comfortable Accessories: The woven surface of the swimming training device is smooth, which can fit the palms well when in use Specifications: Material: TPE Weight: 0.35 kg Color: Yellow/Red/Green/Blue/Black Size: 20 pounds of pulling force for children and 60 pounds of pulling force for adults Package Includes: 2 x Swimming Gloves with Membrane 2 x Resistance Bands