Multi-Functional - Perfect Choice for Yoga Extend your reach to properly align your body or create enhanced stability in a wide range of poses. Provide the stability needed to keep a better balance, and improve alignment. Practice yoga more safely and effectively with the yoga blocks, no need to over-stretch tight muscles and risk injury. Lightweight and Portable Large enough to comfortably sit on with sufficient surface. Come in 4 pack (4 color) Use the blocks separately or stacked together, create a range of possibilities for extra height and support. Durable High Density EVA Foam: Offer exceptional strength, holding their position even under considerable weight. Comfort Grip Beveled Edges: The blocks come with beveled edges for a comfortable, steady grip. Non-Slip Surface: Feature a slip resistant surface for a secure hold you can trust.