The product is a set of Exercise Resistance Bands, designed for home use and suitable for full body workouts. Made of nylon material, the bands come in a variety of colors (yellow, red, green, blue, and black) and resistance levels (extra light, light, medium, heavy, and extra heavy). They are 12" in length and width, and 3" in height, making them ideal for yoga and crossfit activities. These resistance bands offer a convenient and effective way to strengthen and tone your muscles, with the added benefit of color-coded bands for easy identification of resistance levels.