The product is a set of 4 replacement bands for the Fitbit Charge 5, available in black, navy, purple, and grey colors. Made of soft rubber material, these wrist bands are designed specifically for gym and training activities. Suitable for wearing on the wrist, they are perfect for fitness enthusiasts looking for comfortable and durable accessories to enhance their workout experience. With the Fitbit compatibility, these bands ensure a secure fit and sleek appearance for your fitness tracker.