Yoga and stretching exercises help to reduce stress, prevent muscle soreness, and can rejuvenate you after a rough day or busy weekend. These products are great to use at home or take them to the studio with you. Helps you use proper form during many poses when first starting out. This Package Contains: Size: 4 inch x 6 inch x 9 inch high density foam block Color: Blue Shipping weight: 2 lbs.