Our sublimation blanks keychain printable are made of premium quality MDF blank board that are and hardness, not easy to break and deform, you can easily work with them without worrying about any kind of crack and deformation. The sublimation discs blank is . 1.6 x 2.4 inches/ 4 x 6 cm, the thickness is 0.12 inch/ 0.3 cm. The keychain tassel is . 1.5 inch/ 3.8 cm. The key chain ring is . 1 inch/ 2.5 cm in diameter with 1 inch/ 2.5 cm extra chain Sublimation keychain blanks set comes with 30 pieces square sublimation keychain blanks double sided, 30 pieces leather Keychain Tassels in 15 Colors, 30 pieces split key chain rings and 30 pieces jump rings. Great for sublimation keychain projects and DIY crafts. The sublimation blanks keychain bulk are suitable for DIY sublimation blank keychains, zipper pulls, backpack bag tags, ornaments, gift tags, pendant decoration, souvenirs, and many other craft projects.