MASSAGE TRAPEZIUS MUSCLE: Designed to release tension in the neck and upper back area. The item takes on a gently sloping shape that mimics the lifting sensation of a massage therapist's hands on your neck. By elongating the cervical spine and loosening the upper back muscles, it effectively relaxes the entire trapezius region. GB20 TRIGGER POINTS RELEASE:The GB20 trigger points are located at the upper neck and suboccipital. Massaging them can help to relieve issues caused by neck and upper back tension. Include occipital neuralgia, occipital nerve pain, cervicogenic headache or dizziness, occiput RESTORE VITALITY TRAPEIUS AREA: Using it persistently, can reduce the negative effects of bad habits on posture and improve the following conditions: forward head posture, hunchback, rounded shoulders, headaches and arms numbness caused by cervical vertebrae. 14 TRIGGER POINT BUMPS: Still massage bumps are firm, pressing on the muscles on both sides of the spine to a depth of 1-2 cm. Helping the trapezius release tightness and eliminate muscle knots more quickly. Take 5 minutes a day to relax the pressure on your neck and upper back. RELAX WHEN YOU NEED: Use it when you're plagued by neck, trapezius, shoulder blade malfunctions. When you hunch over phone and computer, use it to prevent issues coming. Material: EVA Size: 36.5 x 18.5 x 9CM Features: With 14 convex starting points for precise massage of acupoints Massage time: Recommended for 8-30 minutes each time Notes: Due to the differences in light and screen settings, the item's color may be slightly different from the pictures. Please allow slight differences in dimension due to different manual measurements.