Size(mm):Approx 83x53mm Weight(g):Approx 48g-52g Quantity: 1pcs Function: Lifting and firming, diminishing fine lines, improving skin. It is the best choice for couples, couples, colleagues, friends, elders, classmates, and mentors to give gifts. Usage: 1-2 times a week,you can take the massage cream or guasha oil on your surface of body:the back,neck, shoulders, buttocks, and limbs. On occasion, Gua Sha is applied at the chest and abdomen. The picture is only for your reference.Because it's stone, The stripes and colours of each item are different,You will receive the similar item as picture shown. Color may be a little different due to the ability of Camera.