Milcoast Adjustable Cardboard Frame Corner Guard Protectors for Art Paintings, Picture Frames, Books, Photos, Paper…

Adjustable to fit corners from 0.5 to 1.75 inches thick. Each protector is 3.5 x 3.5 inches. Each protector is made from cardboard with a thickness rating of 350 GSM. Can use multiple corner protectors for extra protection. Easy to apply. Simply fold to desired width and place onto corners. Each protector has 4 perforations to assist folding to fit most common frame corner widths.