Two Aquabells Ankle Weights adjust easily around your ankles with a velcro closure. Made of soft vinyl and Velcro straps, which is gentle on the skin. Each holds up to eight pounds when full.At last, a portable gym that fits into your briefcase! Carrying traditional weights through airports are impractical. With AquaBells you can continue your workout program without adding extra weight or luggage for your trip.Great for physical therapy, and also can be used for water resistance programs when in swimming pools, too!