Measurement instructions: All bracelets are made in size ranges. Please measure your wrist and choose the size range closest to your size before adding the item to your cart. For an exact measurement, use a measuring tape. Make sure the measuring tape is firm around the base of your hand. Alternatively, you can use a string or strip of paper. Wrap it around your wrist, and use this length to measure against a ruler. Sizes displayed are in inches. Natural properties of the stones in this bracelet: Amazonite: Soothing, calming, soothes emotional trauma, known as the stone of courage and the stone of truth. Helps one to express their truth. Howlite (white): Known to reduce anxiety, tensions and stress. This stone can be used to facilitate awareness, encourage emotional expression and assist in the elimination of pain, stress and/or rage.