FORTEC Speed charge water bottle cover made of nylon, with an adjustable strap for convenience. - Brand: FORTEC - Model Name: Speed charge - Color: Black/Yellow - Material: Nylon - Strap: Adjustable Thank you for viewing. I'm selling this because I ended up only using the water bottle, even though I used it a few times. There are creases, stains, and wrinkles. If you don't mind, please consider it. I will fold the bottom and send it in simple packaging.