The covers are designed to fit both DSLR and Mirrorless cameras and are available in two sizes to accommodate a range of full-frame lenses. The Emergency Rain Cover – Small size protects a 16–35mm f/2.8, a 14–24mm f/2.8, a 24–105mm f/4, or a 24–70mm f/2.8 lens. Medium protects a 24–70mm f/2.8 or a 70–200mm f/2.8 lens.
Also these are great value and easy to buy and easy to replace, prices start at less than $35 for the small. Being so well priced means you can buy several and place one in each bag so you never have to worry about finding them for each and every shoot or backpacking adventure.