Kiefer Basic Dumbbells with 11-Inch Long, Blue Perfect for water resistance exercises to build upper body strength Great way to strengthen or rehabilitate muscles underwater with durable premier quality EVA foam disks on soft padded hand bar Padded bar to offer a more comfortable, slip-resistant grip Oversized diameter bar requires less effort and hand constriction to grip, making these a perfect aquatic therapy tool for those with arthritis Lightweight and easy to tote