Materials: 8,820 precision acupressure nails (210 x "42-nails" plates - mat) 100% non toxic recyclable HIPS plastic melted (no glue is used) 100% organic cotton fabric PU Foam Dimensions mat: 28.5 x 16.5 x 1" (74 x 41 x 2 cm) Simply lay or lean against the mat and let it do its magic! Here are some simple tips and ideas on how to use it: Use at bedtime for relief of back and neck pain/tension and a faster sleep. Use in the morning for aid in meditation. Step on your mat for a foot massage. Use the pillow for zone therapy to stimulate the organs in your body. Perfect to use at work while sitting in your office chair or while relaxing at home. The BON Mat can be used in combination with the BON Pillow. For more intense treatment use on your bed or on the floor. For less intensity, lean against the back of a sofa, an armchair, or against stacked up pillows in bed. (The more body weight put on the nails, the more intense the sensation). NEW IN BOX