What file resolution should I use for Wall Peels? The minimum resolution for Clings is 300ppi. For a 16"x20", we recommend the file size be 4800px x 6000px. To order a Wall Peel, click here. Related articles How long will the adhesive remain removable and able to be re-positioned? What are the best display surfaces for my Wall Peel? Will the adhesive leave a mark on the display service when removed or re-positioned? How do I install a Cling? What is the Wall Peel material?