The Edge Big 'C' Curve - Box of 100 Assorted Tips are made of virgin ABS plastic and offer both strength and flexibility. Computer designed to the strictest requirements to suit a wide range of natural nail shapes you as a technician may be faced with. A minimum amount of blending is required for these tips. The Edge Big 'C' Curve give a glamorous look, they have a long and gentle curve and are easy to blend.