SECURE GRIP: Our SafeGrip Square dumbbells for women feature textured, anti-slip coating with thicker handles. These hand weights stay firmly in your palms during workouts, making your weights dumbbells safer and more effective. NO ROLLING: The unique, patented square design of our dumbbells prevents rolling during floor exercises. These 20lb SafeGrip dumbbells set of 2 stay exactly where placed, perfect for seamless transitions between movements.