Oura Ring Gen 4 Sizing Kit, Ring Sizer Measuring Tool, Sizes 4-15

• Compatibility: Specifically designed sizing kit for Oura Ring 4 (Gen4)
• Fit Guidance: To help you find your perfect fit before purchasing the actual smart ring
• Complete Size Range: Includes 12 sizing rings numbered 4 through 15, covering measurements from 14.5mm to 25.0mm to accommodate various finger sizes
• Accurate Sizing Method: Features a comprehensive sizing guide with step-by-step instructions - wrap a non-elastic string around your finger, measure its length with a ruler, and refer to the size chart to select your ideal ring size
• Convenient Testing: Allows you to wear the sizing rings for an extended period to ensure comfort throughout daily activities and determine which size feels most comfortable

What's in the box
12 x Oura Ring Gen 4 Sizing Kit