The Purple Shakti Yantra Mat (Original Tension) - Better than the original version, more Acupressure Points. The Hopi Direct Shakti Yantra Mat is the original tension foam, with organic cotton fabric acupressure mat. The unique acupressure spikes on the mat simulates the Indian bed of nails. The tiny points on the discs are used to recreate the acupressure effect of the Indian Yogis' nail bed. When you lie on a mat or use it for Yoga you will experience the unique acupressure therapy as the tiny points stimulate your skin. The Shakti Mat is light and portable so it can be used anywhere - in the home, by the pool, on a sunbed... you can sit with your mat behind your back, lie on it or use it for a yoga session. This model is our own brand, an improved version of the original Shakti mat from sweden, however ours features 8820 contact points, the Most Acupressure Points in the Market, so you cant buy better. Size 75x44cm