You won't be able to resist this Resistance Spring Strength Training Device Choose from 5 colours: orange, pink, rose red, blue or navy blue This device uses a spring to create resistance - simply push together to build strength S-shaped handles make it easy to hold or to press together with your legs Coated in a thick foam for a comfortable design and non-slip grip Great for upper body, legs or ab workouts Save 73% and mix up your workout with this Resistance Spring Strength Training Device