For each bracelet sold, Essential Jewels will donate 10% of the purchase price to The Alzheimer's Association. The Alzheimer's Association leads the way to end Alzheimer's and all other dementia - by accelerating global research, driving risk reduction and early detection, and maximizing quality care and support. Bracelet is made with 8mm AAA grade Purple Dream Lace Amethyst and White Jade stones. Available in several sizes, to determine your size, measure your wrist with a fabric tape measure If you want a size that is not listed, please reach out to me, I will gladly make whatever size you request.