Ships from hong kong. This dual density foam kickboard provides a soft, comfortable top and a rigid bottom that offers support and proper flexibilty. A training aid to strengthen legs while reducing shoulder stress, it’s ergonomical design is ideal for single arm and sidekick workouts. Train hard and effecient with this great aid! designed to help children learn to swim & provide confidence in water. Ideal for both kick and stroke development. Offers maximum comfort and support. Ergonomic design for increased efficiency. Great for youth and smaller swimmers.