Cork Lightweight Yoga Mat and Two-Block Bundledescription specifications use & care Why You'll Love It. This bundle pairs our top selling Robin cork yoga mat with two cork blocks for added support, stability, and alignment everything you need for a strong, eco friendly practice at home or in the studio. Key Features Essential practice bundle: Includes a cork yoga mat and two cork yoga blocks for support, balance, and flexibility. Superior cork grip: Natural cork surface provides traction that