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A small polyurethane dumbbell on a key ring, made to be squeezed for stress relief and carried on keys or a bag. It is a promotional-style item: the foam body gives a light squeeze and the key ring keeps it handy. It suits offices, gyms and giveaway bags more than anyone wanting serious grip training. Against plain stress balls it adds a key ring and a gym-themed shape, but it is a novelty item with modest squeeze resistance.
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This is a stress reliever key chain shaped like a dumbbell. It is made of polyurethane. The product can be customized.