[Easy to use] The temperature of the transfer machine must be set at 180-190℃/350℉-390℉ (about 180℃-190℃) [Double-sided] This sublimation blank is not only on both sides of the blank, but also can create various patterns or patterns on the blank. It is smooth and easy to sublimate. Through it, you can enhance your hands-on ability, stimulate your imagination, and bring you many DIY ideas. The sublimation keychain is detachable and can print patterns on the blank . It is easy to use and helps you easily connect the key. [Quality] The blank keychain is made of high-quality PU material, which is light and hard, smooth and comfortable, non-, and not easy to fade. It is an perfect product for decorating keys, bags, gifts, etc. [Exquisite gift selection] You can use dye sublimation technology to DIY or print patterns on the of these dye sublimation keychains. It is a lovely gift for relatives and friends. 0