Amazon.comIdeal for stretching and toning, this weighted ball is great for developing strength and can be incorporated into aerobic classes, yoga, and Pilates routines, as well as rehabilitation. Easily inflatable and deflatable, making it ideal for travel, the ball has an easytogrip, soft vinyl shell that wipes clean.WarrantyThis Stott Pilates product includes a limited 30day manufacturers warranty against defects in materials and workmanship.About the Stott Pilates MethodStott Pilates is a contemporary approach to the original exercise method pioneered by Joseph Pilates. Cofounders Moira and Lindsay G. Merrithew, along with a team of physical therapists, sports medicine, and fitness professionals, have spent two decades refining the method and equipment. This resulted in the inclusion of modern principles of exercise science and spinal rehabilitation, making it one of the safest and most effective methods available. Exercises are designed to restore the natural curves of the spine and rebalance the muscles around the joints, placing more emphasis on scapular stabilization. There are also more preparatory exercises and modifications to cater to many different body types and abilities, making it applicable to everyday life.This approach increases core strength and balances the muscles around the joints, improving the way your body functions, looks and feels. Basic principles focus on:Breathing Pelvic placement Rib cage placement Scapular movement Head and cervical spine placementProduct DescriptionMerrithew Toning Ball Blue, 2 lbs. / 0. 9From the ManufacturerIncrease intensity and tone your entire body with fun and versatile Toning Balls. Portable and easily incorporated into a variety of targeted sculpting exercises that result in healthy muscles without adding bulk. Perfect to increase the intensity of your mat work or equipmentbased routines, these Toning Balls also bring awareness to shoulder girdle stability. CARE AND CLEANING: Store in a dry location away from direct sunlight, Do not store anything on top of the Toning Balls as it may cause the ball to deflate, Keep away from direct heat, Never use corrosive cleaning products on ball. If necessary, clean the Toning Ball with a combination of tea tree oil* and water. A mixture of mild soap and water can be used to remove more persistent dirt.