A must-have for practitioners at all levels, our Performance Natural Cork Block safely unlocks advanced poses by providing a firm, comfortable seat for meditation and height for standing poses. . Deepens your stretches and poses. Ensures proper alignment during poses. Comfortable seat for meditation. 30 day warranty. . Professional Quality: Our performance line of professional quality products are designed by yogis, for yogis, and created to inspire mindful movement. These products are designed with care and attention to high-quality materials, thoughtful design, and durable construction. Whether for personal or professional use, these products are built to last. Find the perfect mat or accessory that’s right for you and shop the rest of our Performance Line. Measurements: 9″W x 6″H x 4″D. Materials: 100% Natural Recycled Cork. Care Instructions: Spot clean with mild detergent. Towel or air dry.