This is a brand new and never been used belt bag from the brand Lululemon called the Everywhere Belt bag. It is a beautiful lemon lime colored yellow that is called Yellow Serpentine. In my opinion the color is not bright neon yellow and is more of a yellow/green but is still very bright. Details: Water-Repellent Fabric Exterior zippered pocket to secure your valuables Interior pockets hold the essentials Bag dimensions: 19cm x 5.5cm x 13cm (7.5" x 2" x 5") Volume: 1L 100% nylon body 100% polyester mesh and lining