The Hathor Cuff is available in three different sizes. Small, Medium, and Large. Size Small fits 5 to 6 inch wrists. Size Medium fits 6.25 to 7 inch wrists. Size Large fits 7 to 8.50 inch wrists. Each cuff is stainless steel with quartz granules. Adjustable for customized fit. Please select cuff size before checking out. Limited.