Overview: - Product Name: Vacuum Insulated 500ml Can Holder - Colors: Black x 2 - Price: ¥780 each - Brand: Workman Description: This excellent product keeps your 500ml cans cold simply by inserting them. Thanks to its vacuum construction, you can expect great cooling performance. It also features a design that prevents condensation from forming on the outside. Whether you're camping, going on a short outing, or just staying indoors, this holder makes a big difference. (Quoted from the official website)