Stability + balance: The yoga block provides the stability and balance you need in your practice to help achieve optimal alignment, deeper postures, and increased strength Durable support foam: These lightweight and supportive foam blocks are made of durable foam with a non-slip surface and beveled edges for easy gripping. The density of high-quality blocks is 50% higher than standard EVA blocks Use (meditation) on your hands, feet, or under the seat to ensure the correct alignment needed to safely support and modify the posture to suit your level of flexibility. If you feel nervous, do not risk injury and grab the block Or two Building blocks are ideal yoga props and companions, because they are an important tool in practice, which can help stretch, support and deepen the stretch, while also increasing the range of motion