The materials needed are low-density 5 mm eva foam for main for the the ears you need high-density 5 mm foam, you need contact cement/adhesive for this build due to the tension on seems as hot glue will not last . For the chin you need elastic to get a nice tight fit without needing to cut open the back. socials https://www.instagram.com/teyrncrow?i... https://lnk.bio/Teyrncrow Mask pattern: https://drive.google.com/drive/folder... Music: Song: Tamlin - Alive Music provided by NoCopyrightSounds Free Download/Stream: http://ncs.io/T__Alive Watch: http://ncs.lnk.to/T_AliveAT/youtube #BatmanCosplay #DIYBatmanMask #CosplayTutorial #FoamCosplay #BatmanCostume #EVAfoamCraft #CosplayBuild #SuperheroCosplay #cosplay #diy