Material: These heat transfer keychains are made of MDF material, light weight and high hardness, not easy to break, fade or deform and non-toxic. They are perfect supplies for handmade projects. Note: Due to the double-sided coating, the blank keychain can be printed on both sides. Please print the image for 40-60 seconds at a temperature of 180-190 degrees Celsius / 356-374 degrees Fahrenheit, and then you will get the desired image. Purpose: Sublimation pendant key chain is suitable for all kinds of DIY handmade, can help you create personalized key chain pendants, which can be hung on backpacks, handbags, Christmas trees, walls, pet collars. The package includes: a total of 40 thermal transfer blank keychains, including round, rectangular, heart-shaped and square, 10 of each style, enough to meet your manual needs. Material:MDF colour:White Package Contents: 10 x round keychain 5x5cm 10 x Rectangular keychain 6x4cm 10 x square keychain 5x5cm 10 x Heart-shaped keychain 5x5cm Only