Many benefits 1 massage roller AK Ultimate Double Drainage rollers replicate the deep kneading technique used by professional estheticians to help refine firm and tone the skin’s appearance while releasing muscular tension in the face that can cause visible lines and puffiness. Double Design Roller This multiangular facial roller is designed to help tighten and tone the look of skin for less visible puffiness and a firmer more contoured and rejuvenated appearance. Platinum Coating The surface of the rollers is coated in platinum to minimize irritation and extend their use over time. Waterproof Construction Conforms with JIS standards (equivalent to IPX7) for safe use in the bathtub shower or jacuzzi. Décolletage Care Roll up and down between your collarbone and breast. Jawline Care Roll back and forth along the jawline from your chin to your ears. Cheek Care Roll back and forth from the corners of your mouth to your ears.