Features: Purpose and method of use,us size,you just need to put it as a ring on your hand and adjust it to a suitable place to measure. the inner diameter of the ring is measured, and it can be removed at any for time, just like a ring. Applicable size,1-17 us size,finger size from 1 to 17, the printing is accurate and clear, not only can be used as a ring size table, but also can be used for other jewelry measurement. Wide range of applications,suitable for measuring wedding rings, proposal rings, birthday rings, party gifts, jewelry, etc. High quality abc plastic,made of high quality abs plastic, light and sturdy, not easy to damage, not easy to fade, not hurting hands, tasteless and non toxic. Ring sizer adjusters for women, economical ring sizer measuring tools can gauge the size of 1-17 usa. ring fits in the most convenient way if you find the ring size of your rose gold ring or sterling ring using this tool. ring sizers for loose rings, ring sizer adjusters for women, men's ring sizer. this is a ring sizers measuring tool size. Specifications: Material:ABS Color;Black,White Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item. Package includes: 1 Piece Ring Sizer