BASED PHILOSOPHY Water Filled Dumbbells Set – Adjustable Dumbbells from 2x20lb to 1x40lb; FreeWeights Dumbbells Set for Home, Office, Outdoors, and Travel Use; Foldable and Safe Dumbbells, Gray

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Adjustable According to Your Needs – Each dumbbell set comes with 4 donuts. Each donut weighs10 pounds when filled with water. You can easily assemble the donuts into either two 20lbdumbbells or one 40lb dumbbell.
Safe Dumbbells for Home and Office Use – Our donuts are made of high-quality PVC material. They are soft, durable, evaporation-proof and leak-proof. They will not damage your body, furniture,flooring or anything around you. Dropping the donuts produces very little noise. Our free weights dumbbells set will last many years even with daily use.