The product is a set of vintage Reel To Reel 2 & 3 tape plastic storage cases from West Germany. These storage cases were used for storing and protecting vintage audio tapes, specifically reel-to-reel tapes. Made of durable plastic, these cases are designed to hold and organize the tapes securely, preserving them for long periods of time. The West Germany manufacturing adds a unique touch to the product, making it a sought-after item for vintage audio collectors and enthusiasts. These particular style cases seem to be harder to find than the square type. They are numbered with stickers on the spines of the cases. You can add your own label and cover them. They might be removable. I have not tried.