Creative Rotating Ring Titanium Calendar Date Week Month Three Rings Jewelry Specifications: Made of fine titanium steel, strong structure and comfortable to wear. Featuring three rings for date, week and month separately, not only an ornament also practical tool. Rotary design, you can choose the date as you like. A wonderful gift for yourself or friends. Item Name: Ring Gender: Mens, Womens Quantity: 1 Pc Style: Fashion Material: Titanium Steel Occasions: Anniversary, Engagement, Party, Wedding, Dating, etc Features: Rotating Ring, Comfortable to Wear, Carve Dates, Creative Ring Size: US Size 6(Dia): 16.4mm/0.65"" (Approx.) US Size 7(Dia): 17.3mm/0.68"" (Approx.) US Size 8(Dia): 18.1mm/0.71"" (Approx.) US Size 9(Dia): 18.9mm/0.74"" (Approx.) US Size 10(Dia): 19.7mm/0.78"" (Approx.) US Size 11(Dia): 20.6mm/0.81"" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 1 x Ring Color: no Material: Titanium Steel Weight (lbs.): 0.03 lb Length (in.): 0.79 Width (in.): 0.79