Yoga Blocks for Stability Plus Balance - The Gaiam Essentials yoga blocks help provide the stability and balance needed in your practice to help with optimal alignment, deeper poses and increased strength. We have a variety of colors to match your style. | Durable Supportive Foam - These lightweight and supportive foam blocks are constructed of a durable foam with a non-slip surface and beveled edges for easy gripping. These blocks are denser than standard EVA blocks. | Extend and Deepen Stretches - Blocks make for the ideal yoga prop and companion as they are an important tool in your practice to help extend, support, and deepen your stretches while also working to increase your range of motion. | Modify and Align - Use under your hands, feet, or seat during meditation to ensure the proper alignment needed for support and modifying poses to suit your level of flexibility. Our yoga blocks are a great compliment to your meditation accessories. | Specifications - We recommend spot cleaning with mild detergent and then drying with a towel or allowing to air dry. Dimensions are 9 inches W x 6 inches H x 4 inches D / Weight: 4.6 ounce) and sold as 2 Pack.