You will receive: This package includes 4 swim discs, designed for comfortable grip and convenient handling. These discs are suitable for training, replacement, or sharing with others, providing effective underwater resistance during exercise. Easy to hold: These water aerobics accessories measure approximately 7.1 inches (18 cm) in diameter and feature a large and small hole for easy gripping. They offer consistent resistance when used during water workouts. Waterproof material: Made from high-quality EVA foam, these pool discs are durable, resistant to fading, breaking, or deformation. The stable texture ensures reliable performance and long-term use. Good buoyancy: Designed with optimal buoyancy, these water exercise discs provide ideal resistance during aquatic training. The blue and white design offers a clean, pleasant visual appeal. Wide application: Lightweight and comfortable to use, these pool exercise tools are suitable for various water activities, including swimming, water aerobics, deep water exercise, and other aquatic fitness routines.