Cork yoga block for increased stability and balance. The GAIAM Cork Brick yoga block is a valuable tool for your yoga practice. As a support for arms and legs, it helps you improve stability and balance. The block is especially useful for beginners and people with physical limitations, as it facilitates the safe execution of challenging poses. Advanced practitioners can use it as an extension to deepen stretches. The yoga block is made from recycled cork. This natural material is lightweight and feels pleasantly soft. Additionally, its excellent grip ensures that the block stays in place and your hands do not slip.