PLAY X STORE&reg;Eye cup (Canon EB Replacement) for CANON EOS 5D Mark II / 5D / 6D / 70D / 60D / 60Da / 50D / 40D Made of rubber for soft eye contact. You can even view it with your glasses on The Eyecup provides cushioning around the camera's eyepiece, and is especially useful to eyeglass wearers Material: Rubber Attaches to the viewfinder eyepiece minimizing extraneous light and vision fatigue 100% Brand New, High Quality