Description: Material: Natural latex high-elastic resistance band, non-TPE, soft and anti-aging, good toughness, anti-stretching and anti-collapsing, durable. Simulate Muscle Building Exercise: Resistance sistance band with sliding handles allows you to swim training without a pool. Arm Strength Trainer: High quality resistance tube let you perform vertical, horizontal, and diagonal exercises for hand and forearm positioning. Workout Anywhere: These training resistance bands are easy to pack and take anywhere for portable functional training of weightlifting, strength and swimming skills at home or outdoors Swimming Training: Simulate swimming in the water, exercise arm strength. Specification: Material: Natural latex Size Chart: Paddle: 13x15cm/5.12x5.91inch White for teens and women Black for adult men Package Includes: 1 Set of Swimming Resistance Exercise Bands Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!