Manufactured from hard wearing Nylon/Cordura, the Shoof bags are designed to house the Shoof, replacement shoe, and feature a velcro storm flap closure and elasticated opening. Attachment to the saddle is via twin rear mounted d rings. Sizes Size 1 - Accepts Shoofs Size 1 and 2 Size 2 - Accepts Shoof Size 3 and 4 Economy carabiners are available to allow the shoof bag to be attached to the saddle