Lens cover size 25 reversible desert waterproof olive lightcompact reversible double layer of polycotton with a choice of 4 patterns one side and waterproof olive nylon on the other all the covers have a velcro strap adjustment at the lens hood if the lens cover is a bit long it can be bunched up or adjusted with velcro velcro tabs join the cover under the lens the covers are designed to be loose fit you can get your hands between tabs to make any adjustment to the controls