The Nike Duffel Gym Bag in royal blue is a medium-sized bag made of durable polyester material. It features a zip closure, three pockets, and an adjustable carrying strap for easy transportation. This versatile bag is perfect for gym and training activities, with a sporty design that makes it suitable for both men and women. The adjustable shoulder strap adds extra convenience, while the iconic Nike branding adds a touch of style to your workout gear.