The altura pannier rain cover has a waterproof construction to protect your pannier from the rain this rain cover is the perfect accessory for the wet days as it39ll guarantee to keep all your panniers contents dry this pannier cover comes in three different sizes to fit your pannier specifically and there are covers to fit single and double panniers finally the altura pannier rain cover is quick and simple to fit and features reflective trim to make you more visible to other road users in