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 What Are the Best Display Surfaces for My Wall Peel? What is the Recommended Image Resolution for Brushed Aluminum Prints? How Long Will it Take for a Shipment to be Delivered? How Long Will the Adhesive Remain Removable and Able to be Re-Positioned? What is the Wall Peel Material?