This listing is for 25 total units in your number of color variations. Please message me after purchase the colors and quantity you need. The cost of $212.50 equals $8.50 per unit and is being offered for wholesale buyers, price includes free shipping. These bags are constituted of a soft but durable neoprene that may be machine washed and dried. They’re made to fit to fit B or M-6 cylinders, (quite larger than a wine bottle) they have a clear window to easily view regulator. It also features a sturdy easy close zipper, carrying take care of, button type hole for cannula, an adjustable shoulder strap that may be adjusted from 36 inches as much as 61 inches. They come in your number of colors and are constituted of a soft yet durable neoprene that may be machine washed and dried on low heat. Price includes free USPS priority shipping. Please message me you probably have any questions.