Yoga EVA Foam Block, Blue provides the stability and balance needed in your practice to help with optimal alignment, deeper poses and increased strength. These lightweight and supportive foam blocks are constructed of a durable foam with a nonslip surface and radius edges for easy gripping. The edges are rounded off for more comfort while exercising. Use it under your hands, feet or seat while meditation to ensure the proper alignment needed in order to safely support and modify poses to suit your level of flexibility If you feel tight, don't risk injury and grab a block. 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.