Made from soft and durable silicone high quality ABS; Provide cushioning around the camera's eyepiece, and are especially useful to eyeglass wearers Mounts easily and securely to camera's viewfinder; Spare or Replacement Eyepiece, packaging includes 2 pieces; It Replaces original Canon Eb eyepeice, compatible with Canon EOS 10D, 20D, 20Da, 30D, 40D, 50D, 60D, 60Da, 70D, 77D, 80D, 90D, 5D, 5D Mark II, 6D, 6D Mark II, A2, A2E, D30, D60, Digital Rebel, Elan II, Elan IIE, Rebel 2000, Rebel G, Rebel G II, Rebel K2