Fiesta Red Carrying EVA Semi Hard Case for Fitbit Flex Fitness Tracker Wristband Water-proof EVA (Ethylene vinyl acetate) protects your Tracker from scratches and minor bumps This Compact style personal organizer for Men and Women On-The-Go will help you find your device faster Suitable for Electronic Accessories like Fitbit Flex, Small Internet Card, Earphones, Etc. (Accessories not included) Detachable Carabiner Clip attaches the case to your belt or another bag Interior dimensions: 3.7 x 3.5 x 0.55 inches | External dimensions: 4 x 4 x 1 inches