OP/TECH USA RainSleeve - Original, 2-Pack (20-Pack Display Box) Compact design fits easily in a bag or pocket Designed for handheld use or tripod application Unique eyepiece opening adapts to most viewfinders for viewing through the lens - not plastic! Drawstring lens opening offers easy access and a snug fit Fits Lenses up to 18" L X 7" Diameter (45.7cm L X 17.8cm Diameter)