Features & details 100% Natural Linen Made in the USA or Imported PAIN REDUCTION - Naturally reduce muscle tension, and back pain by simply laying on the mat daily for 10-30 minutes. FULL SUPPORT - The cushioned foam mat is large enough to fit your full back, and unlike many mats that only cover your back, this set includes a pillow covered in acupressure points for neck support and more holistic pain relief. RELAXATION & STRESS RELIEF - Lay back and relax onto this "bed of needles" to massage pressure points that help release tight muscles and relieve stress. Use prior to bedtime to improve your sleep. INCREASED ENERGY & CIRCULATION - Thousands of acupressure points stimulate nerves and improve circulation for increased energy and relaxation, making it great for users who sit at a desk daily, as well as active individuals and athletes. Made out of 100% high quality thick cotton and plant-based Interior: Foam. The acupressure mat has 6,210 acupressure points; neck pillow has 1,782 acupressure points. Material: ABS plastic. You will quickly become accustomed to the sensation of the spikes 26.5 x 16.5 x 1 inches Hardly used. I upgraded. Works great for beginners