You will receive: The package includes 4 swim discs, designed for easy grip and convenient handling. Ideal for training, replacement, or sharing, these discs provide consistent underwater resistance for effective water exercise. Easy to hold: These water aerobics discs measure approximately 7.1 inches (18 cm) in diameter and feature a large and small hole for comfortable hand placement. They offer controlled resistance when gripped during aquatic workouts. Waterproof material: Made from durable EVA foam, the discs are resistant to fading, breaking, and deformation. The stable texture ensures reliable performance and long-term use in pool environments. Nice buoyancy: Designed with optimal buoyancy, these water exercise discs provide steady resistance during underwater movements. Their white and blue design offers a clean, appealing look. Wide applications: Lightweight and comfortable to use, these pool discs are suitable for various aquatic activities including swimming, water aerobics, deep water exercise, and other water fitness routines.