Shipping is free! About this item: - 4D kneading massage rollers and 8 massage rotating nodes that relaxes sore muscles, tight knots and deep tissue muscle stress, tense and fatigue. - No longer suffer neck, sore back and waist stress,tense and fatigue after a long work day. Enjoy soothing heat therapy by neck massager. - With a detachable & washable flap to let you choose a softer or more intense massage. U-shape design fits your neck curve.