eiito invisible ring size adjuster set, the best product you are looking for! eiito ring sizer is the best invisible ring sizer. The TPU material is comfortable to wear and no harm to skin. women's and men's rings They will not slip when used and perfect your ring. Adjustable & Comfortable, easy to apply,The ring fits snug and comfortably and you can't feel the adjuster. warm prompt 1.Sweat will corrode transparent plastic products, so it is recommended to change new clean products frequently to keep them clean 2.You may not be used to wearing it for the first time, but this feeling will disappear after two or three days. Note: The ring size adjuster may not be well fixed on the thin ring, so please purchase it carefully.