3 inch Cork Yoga Block These cork yoga blocks are strong enough to support your full weight and comfortable enough to use under your head or seat. They are made from eco-friendly cork and are lightweight and easy to use. Cork yoga blocks provide support and stability for proper alignment, allowing you to practice your postures safely and effectively. They are also easy to use, store, and bring with you to class. * Measures 3" x 6" x 9" * Beveled edges for added comfort and style * Soft, scratch-proof exterior * Lightweight and durable