Adjustable Dumbbell and Barbell with Connector - Pair 15 kg

Switch to dumbbell or barbell at any time multi-function dumbbell weight can be adjusted freely meet your different needs save your expenses., Made of cement iron sand mixture balanced dumbbell weight quality non-toxic and tasteless no need to endure bad smell during exercise keep more fresh air in your room., For safety reasons we have anti-slip treatment in the handle area and the nut is cut-proof and don't worry about it loosening., The weight of the dumbbell is a sponge that opens according to the curve of the body, and we thicken it to reduce discomfort during exercise Exercise after work is to relax, not to put pressure on yourself