SPRI Wrist Weights Thumblock Arm Weights Set for Women & Men (Available in 2lb or 4lb Sets) WRIST WEIGHT SET: Thumb-Lock wrist weights with a comfort-fit design (Weight Sets are available in 2lbs and 4lbs) SECURE FIT KEEPS WEIGHTS IN PLACE: No-slide design keeps weights from sliding or moving around during workout EASY ON AND OFF: Easy-grip pull tab for quick and safe removal ADD RESISTANCE TO YOUR WORKOUTS: Wrist weights are great for women and men to add extra resistance to any workout activity such as walking, running and other cardio routines BUILD MUSCLE TONE & DEFINITION: Weights help to build strength, add muscle tone and definition in arms and shoulders