HART Crossline Interlock Mat BlackThe HART Crossline Interlock Mat Black is ideal for exercises like rolling, tumbling and crawling. With a textured crossline surface and jigsaw interlocking design, it provides a stable surface for various activities. Available in blue, red and black. Why this product is helpful: Versatile Use: Perfect for rolling, tumbling and other exercises. Textured Surface: Provides grip and stability during activities. Easy to Assemble: Interlocking jigsaw