These ten pound sandbags help you deepen your yoga postures by adding weight. It is extremely effective when using them on the thighs in hero's pose and reclined leg stretch. A sandbag on your abdomen brings awareness to the muscles involved in breathing. It can also be used under the feet for a hamstring stretch or used under the buttocks for lift in seated poses. Each bag is made of high-quality packcloth with an inner coating that prevents dust and sand from escaping through the fabric. A sturdy handle makes it convenient to position and carry. Dimensions:7" x 17"