Meterial Made of high quality metal alloy. Strong and sturdy. Won't bend or break easily and the spring inside the hooks has long-lasting elasticity. Free Engraving There will be engrave color photo on the front side, and on the back you can put a name, date, or some meaningful sentences like a quote as a encouragement. The keychain comes with a free Jewelry Gift Box. Choose your photos to upload. The pixels must be more than 1000*1000. Great Photo Keychain Gift Make your own personalized photo key chain, your precious moments with you everywhere. Great gift idea for wedding, graduation, birthday, or any Special Day and Anniversary as a Memorial Gift.