Thank you for your inquiry regarding this item from Prime-Line Products. These wall protectors are adhered to the walls with 4 - 6 pieces of dual stick tape, and depending upon the length of time its been on the wall, it could have a fairly strong hold. Regardless, the protectors should be able to be easily pried off, and for any remaining adhesive stuck on the wall, try using an adhesive removing solvent like Home Depot's "Goof Off", Model # FG791, Internet # 205546709, Store SKU # 1001031662, which is an 8 oz. pourable adhesive removing liquid. If using this product, be sure to use it as per manufacturer's instructions, being sure to test it in an inconspicuous area to ensure it will not damage the paint.
For additional questions regarding this item, or any other product manufactured by Prime-Line Products, please call their toll free number at (877) 649-9740, or contact them by email at email@example.com