Description:The inner diameter of the ring is measured, and it can be removed at any time, just like a ring. You just need to put it as a ring on your hand and adjust it to a suitable place to measure.With the ring ruler, you can easily understand the finger size of yourself, your family and friends, and make your relationship more intimate .Made of high quality plastic material, it's odorless, environmentally friendly and durable.The ring sizer length is 11.5cm.It's very suitable for measuring wedding rings, proposal rings, birthday rings, party gifts, jewelry, etc. Item Name: Ring Size RulerMaterial:PlasticSize:11.5cmx0.5cmx0.5cm/4.53inx0.2inx0.2in Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 X Ring Size Ruler