Feature 1Double Sided Printing: Both sides have a protective layer to prevent scratching, you can print on both sides, you can create various images or patterns on it, please tear off the protective layer before DIY. 2Improve Hands On Ability: DIY blanks keychain will improve your hands on ability, stimulate your imagination and let you enjoy the fun of DIY. 3Thermal Transfer: Set the temperature of the transfer machine to 190C/374F for 40 seconds, suitable for hot press transfer. 4Decoration: 4 different shapes of MDF blank keychains are practical and beautiful, can be used to decorate keys, bags, gifts and DIY crafts. 5High Hardness: Heat transfer keychain is made of MDF blank board, light texture and good hardness, not easy to break and deform, no need to worry about any kind of cracks and deformation.SpecificationItem Type:AcrylicKeychainBlanksMaterial: Density Board, Metal .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List40 x Density Board40 x Keychain80 x Jump Rings40 x Tassel (Color Random)1 x Brass Rings1 x User Manual