GMYLE Fitbit Blaze Frame, Frame Case Metal for Fibit Blaze - Stainless Steel Replacement Metal Housing Size: 4.5cm x 4.5cm (L x W) Specially designed for Fitbit Blaze Smart Fitness Watch Replace easily with just a clip on your Fitbit Premium Stainless Steel design mixed fashion with durableness Compatible with all types of watchband of Fitbit Blaze