Support your stretch with Gaiam Yoga Blocks. These lightweight foam blocks provide the stability needed for optimal alignment, deeper poses and increased strength. Can be used under hands, feet or your seat, these lightweight blocks ensure proper alignment and safely assist in deepening stretches. If you feel tight, don't risk injury - grab a block and enjoy your yoga session. Constructed of a durable foam with a nonslip surface, available in several colours and measuring 23cm L x 15cm W x 10cm H. Provides the stability and balance needed in your practise 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 bevelled edges for easy gripping. Use under your hands, feet or seat (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 or two. The ideal yoga prop or accessory, and an important tool in your practise to help extend, support and deepen your stretches while also working to increase your range of motion.