Ensure your Oura Ring 4 fits comfortably and securely with the official Oura Ring 4 Sizing Kit. Designed to help you determine your exact ring size before ordering, this simple sizing kit provides reliable results for daily and overnight wear.
Set Specifications: 1 Set
Product Color: White
Product Sizes (CM): #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15
Packaging Dimensions (CM): 16.2 × 11.5 × 0.8 cm
Product Material: ABS + Resin
Product Weight (Net Weight): 37.7 g
Product Weight with Packaging (Gross Weight): 52.7 g
Packaging Material: Color Box
Outer Carton Dimensions (CM): 37 × 37 × 37 cm
Net Weight per Carton (KG): 9.48 kg
Gross Weight per Carton (KG): 10.25 kg
Quantity per Carton (Sets): 180 Sets
Production Capacity：300k+ sets per month
Lead Time：MOQ (2000 sets) order，7days for mass production
