Function ? Protect as a Cushion: Work as a cushion around camera's eyepiece,which provide a protection for camera eyepiece ?The eyecup is made of soft and durable silicone, it allows for more comfortable viewing through the camera's viewfinder. Meanwhile, it can prevent scratching and damage to eyeglasses. ?the eyecup effectively shields light that may enter the viewfinder and cause flare. It also can be mounted to the viewfinder easily and securely. ?The eyecup of made of Rubber Coated Plastic. You can even view it with your glasses on Package includes: 2 x EF Eyecup 2 x Hot Shoe cover with bubble spirit levelCompatibility Suitable for Canon Rebel T7 T7i T6i T6 T6s T5i T5 T4i T3i T3 T2i T1i XSi XTi XT SL3 SL2 SL1, 77D 760D 650D 450D 400D 350D DSLR Camera About our services? We are offer 3 month money back guarantee in case you are not 100% satisfied and wish to return the product for any reason. If you have any question, please send us a message,and we promise to reply you within 24 hours . If you are dissatisfied, before you leave a feedback, please send us a message to tell us for a FULL REFUND or new REPLACEMENT. If you are satisfied with our products, please don't forget to leave a Positive Feedback, we will appreciate your encouragement. Thanks for coming to our store and enjoy your shopping!