The Oval Ultra Small Viewfinder Eyecushion in genuine English chamois, from Bluestar, features outside dimensions of 3.3 x 2.6" to securely fit over many common external and built-in viewfinders. These include the Hoodman Hoodeye, JJC Oval Shape EyeShade, JJC Viewfinder, Bolex H16, and the viewfinder of the Panasonic GH5 with a compatible oval eyecup similar to the Hoodeye. This genuine English chamois version is made of 100% natural oil-tanned sheepskin leather that provides a high level of softness and perspiration absorption. It can be used in any climate.