54mm Jade Bangle Inner Diameter : About 2.12-2.16 inches / (54-55 mm) Grade A Material: Natural Calcite Jade, also called "Stone of Pure"; hypoallergenic, skin-friendly, fits daily wear. Gifts for Her: Jade bangle is a surprise gift for your grandmother, mom, wife, daughter, sister, best friend, girlfriend (or yourself). Match Your Wardrobe: Good luck bracelet fits any occasion, birthday, wedding, Mothers Day, Valentines Day, Christmas, anniversaries, party, dating, graduation etc. If you are buying a jade bracelet bangle for the first time, please refer to our size selection table. It will bring you some help.