Scotch Foam Mounting Squares, Medium - Permanent - 1" X 1" Squares - 2 Boxes 4 squares hold up top 1 lb Strong, double-sided, adheres to most surfaces 2 boxes per order - 12 squares per box that are 1 in. X 1 in. in size Wall-mount pictures, decorations, etc. Use on most types of walls* Made in the USA