Find the Right Fit Every Time: Our ring sizing kit compatible with Oura 4 ring size , makes it easy to measure your finger and find the perfect size before ordering — ensuring comfort and accuracy for you or your loved ones.
Easy to Use：Our finger measure for ring size simply follow the number on the card to perform the fitting test. For optimal accuracy and a more comfortable wearing experience, apply a bit of olive oil to make it easier to put on.
Wear It Your Way : Oura Ring 4 Sizing KitSmart ring sizing kit suitable for any finger, on either hand. For the best experience, try the index, middle, or ring finger. We recommend wearing the ring sizer for at least 24 hours to confirm your ideal fit.
Smart Shopping Starts Here : Oura Ring 4 Sizing KitUse our accurate ring sizing kit to determine the right size in advance and avoid unnecessary returns or exchanges.
Non-Standard Sizing :Ring 4 sizes runs a bit different from standard ring sizes, so your can use our sizing kit find your best fit. It comes in whole sizes only—from 4 to 15, with no half sizes.
Material: ABS
Product size: 15*11.1*1cm
Packaging list: 1pcOura Ring 4 Sizing Kit