Here is a set of squat blocks that help you perform squats while maintaining a better form. The Squat Perfect blocks elevate your heels to help you exercise with less risk of injury. They measure 8 x 5″ and weigh only 1.1lbs. These wedges have a grippy, non-slip surface.
Squat Perfect wedges are adjustable from 30mm to 60mm. You can use them for squats, stretches, yoga, and everything in between.