Baby carriers are available today in a wide range of styles, colors and patterns, which of course have been designed for diversifying utility and needs. The strong Velcro enclosure accomodate straps up to 2 inches wide, giving you the flexibility to use it with a variety of bags. Airbags are generally made from high tenacity multifilament nylon 6, 6 in yarn quality fineness from 210, 420 to 840 denier, although some polyester and even some nylon 6 is utilized.