CoreFX pushes you to be the best you. This is why COREFX introduced the Pro Loops so you can unleash your inner pro! Take your pro-looping to the next level with COREFX pro-loops. Ideal for strengthening, toning, rehabilitation, and stretching, they're the next step in your workout schedule! The COREFX Pro Loops are 10" x 2" with four resistances available, these resistance bands are great for any fitness level and are great for targeting your lower body!