Creating polished, professional looking, printable or digital task cards is quicker and easier with Boom Cards borders At 5" x 7", these templates are the perfect size for Boom Cards or task cards, just layer under your content and you're done! No need to resize. This bundle includes 7 sets of Boom Card borders and backgrounds. You may use these for personal or commercial use. Please see the included terms of use for commercial use.* * * * * * * * * *Did you know that by leaving feedback on pai