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 a customized fit. Please select cuff size before checking out. Limited.